Quiz about Master Study Guide Final 7B/7C

Question 1

Pam is a salesperson. She earned a 10% commission by selling a water heater. If the water heater was sold for $231.00, how much commission did Pam earn?

Accepted Answer

$23.10

Answer

$25.00

Answer

$21.30

Answer

$20.00

Question 2

If the sales tax is 4%, how much tax will Anne pay on a snowboard priced at ? Round your answer to the nearest cent:

Accepted Answer

$14.33

Answer

$13.45

Answer

$12.87

Answer

$15.00

Question 3

If Brianna buys a set of bunk beds priced at

Accepted Answer

$8.80

Answer

$11.00

Answer

$7.20

Answer

$9.50

Question 4

Evaluate the expression. $$0.42 + (3.8 ÷ -9.5)^2$$ Write your answer as an integer or a decimal. Do not round.

Accepted Answer

0.58

Answer

0.16

Answer

0.42

Answer

1.00

Question 5

Evaluate the expression.

$$0.36 - ( 1.7 - 2.7 )^2$$

Write your answer as an integer or a decimal. Do not round.

Accepted Answer

-3.64

Answer

2.64

Answer

-1.64

Answer

1.36

Question 6

Based on the table below, what fraction of the different species of animals at the Oakland Zoo are arthropods?

Group	Number of different species
Amphibians	12
Arthropods	20
Reptiles	34
Birds	29
Mammals	41

Accepted Answer

20/136 or 5/34

Answer

10/136 or 5/68

Answer

25/136 or 5/27

Answer

15/136 or 5/45

Question 7

What fraction of respondents preferred vinyl or stone flooring? Simplify your answer.

Accepted Answer

3/10

Answer

1/2

Answer

2/5

Answer

1/4

Question 8

What fraction of countries are in Asia or Oceania?

Accepted Answer

29/192

Answer

10/192

Answer

50/192

Answer

15/192

Question 9

Evaluate the expression for w = -2 and v = 4. $$v^2w - 13$$ =

Accepted Answer

-45

Answer

-29

Answer

-21

Answer

19

Question 10

Evaluate the expression for n = 2, p = 11, and m = -2.
mnp =

Accepted Answer

-44

Answer

44

Answer

22

Answer

-22

Question 11

A square has a perimeter of 24 feet. What is the length of each side?

Accepted Answer

6

Answer

8

Answer

12

Answer

4

Question 12

Two sides of a triangle measure 15 kilometers each, and the perimeter of the triangle is 47 kilometers. What is the length of the third side?

Accepted Answer

17

Answer

20

Answer

10

Answer

15

Question 13

What is the perimeter of a parallelogram with sides of length 3.3 miles and 2.8 miles?

Accepted Answer

12.2

Answer

13.8

Answer

10.6

Answer

11.4

Question 14

What does the point W represent?

Accepted Answer

It takes Edna 40 days to build 8 swings.

Answer

It takes Edna 8 days to build 40 swings.

Question 15

What does the point B represent?

Accepted Answer

To get 5 ounces of water in her bottle, it takes Tina 15 seconds.

Answer

To get 15 ounces of water in her bottle, it takes Tina 5 seconds.

Question 16

A package that contains 8 ounces of dark chocolate also contains 20 ounces of almonds. What does the point F represent?

Accepted Answer

It represents a package that contains 8 ounces of dark chocolate and 20 ounces of almonds.

Answer

It represents a package that contains 20 ounces of dark chocolate and 8 ounces of almonds.

Question 17

How many guests went sledding exactly 1 time?

Accepted Answer

3

Answer

2

Answer

1

Answer

0

Question 18

How many people went to the grocery store 5 times?

Accepted Answer

8

Answer

13

Answer

5

Answer

3

Question 19

How many people went to the movies less than 2 times?

Accepted Answer

5

Answer

8

Answer

3

Answer

10

Question 20

Use the data below to complete the stem-and-leaf plot for commute times surveyed by a business magazine.

Commute time (minutes): 65, 34, 89, 34, 63, 72, 65, 81, 97, 38, 42

Commute time (minutes)
Stem | Leaf
3 | 4 4 8
4 | 2
5 | [ ]
7 | 2
9 | 7

Fill in the blank for the leaves in the '5' stem row.

Accepted Answer

5 5 6

Answer

5 6 8

Answer

3 5 6

Answer

4 5 6

Question 21

Fill in the blank for the leaves in the '6' stem row.

Accepted Answer

2 4 6

Answer

1 3 4

Answer

3 5 5

Answer

5 6 7

Question 22

For the '8' stem row, fill in the blank for the leaves.

Accepted Answer

1 9

Answer

3 5

Answer

2 7

Answer

4 6

Question 23

Regan recorded the lengths of 9 earthworms for her biology lab: 3 centimeters, 3 centimeters, 3 centimeters, 6 centimeters, 4 centimeters, 4 centimeters, 3 centimeters, 4 centimeters, 2 centimeters. What was the mean length? Round your answer to the nearest whole number.

Accepted Answer

3 centimeters

Answer

4 centimeters

Answer

2 centimeters

Answer

5 centimeters

Question 24

Which of the following is the mode of the masses?

Accepted Answer

4 grams

Answer

8 grams

Answer

2 grams

Answer

6 grams

Question 25

What is the range?

Accepted Answer

18

Answer

24

Answer

12

Answer

9

Question 26

In the list of cheese amounts used in the pizza recipe, how many times does the amount 4 2/3 cups appear?

Accepted Answer

8

Answer

12

Answer

10

Answer

6

Question 27

Out of all the pizza recipes shown, what fraction use less than 4 2/3 cups of cheese?

Accepted Answer

5/12

Answer

1/2

Answer

3/12 or 1/4

Answer

2/3

Question 28

How many recipes require exactly 4 2/3 cups of cheese?

Accepted Answer

9

Answer

2

Answer

3

Answer

6

Question 29

Mr. Beasley released the scores from last week's spelling test, as shown in the stem-and-leaf plot below. How many students scored exactly 64 points?

Accepted Answer

2

Answer

3

Answer

1

Answer

4

Question 30

How many people waited for at least 66 minutes but less than 76 minutes?

Accepted Answer

8

Answer

6

Answer

4

Answer

2

Question 31

What is the size of the smallest company?

Accepted Answer

50 employees

Answer

167 employees

Answer

120 employees

Answer

300 employees

Question 32

40. Add. -2/5 + (-7/10) = ____

Accepted Answer

-9/10

Answer

-1/2

Answer

-1

Answer

-3/5

Question 33

41. Subtract. 2/5 - 3/5 = ____

Accepted Answer

1/5

Answer

2/10

Answer

3/5

Answer

1/10

Question 34

42. Add. -1/2 + 7/10 = ____

Accepted Answer

3/5

Answer

-1/5

Answer

1/5

Answer

6/10

Question 35

43. Divide. $$-\frac{1}{7} \div \frac{1}{8} =$$ _______

Accepted Answer

$$-\frac{7}{8}$$

Answer

$$-\frac{1}{56}$$

Answer

$$\frac{1}{56}$$

Answer

$$\frac{7}{8}$$

Question 36

44. Divide. $$2\frac{1}{2} \div 1\frac{1}{8} =$$ _______

Accepted Answer

$$\frac{9}{10}$$

Answer

$$\frac{9}{20}$$

Answer

$$\frac{2}{5}$$

Answer

$$\frac{5}{8}$$

Question 37

Given the diagram, what is the value of s?

Accepted Answer

145.8

Answer

134.7

Answer

162.3

Answer

120.5

Question 38

Find the value of x.

Accepted Answer

x = 11

Answer

x = 7

Answer

x = 15

Answer

x = 3

Question 39

Find the value of x.

Accepted Answer

x = 11

Answer

x = 7

Answer

x = 15

Answer

x = 3

Question 40

Jenna spins this spinner once. Which tree diagram represents the sample space of this event?

Accepted Answer

B) [Tree diagram with 1, 2, 3, 4, 5, 6, 7]

Answer

A) [Tree diagram with only 1, 3, 5, 7]

Answer

C) [Tree diagram with 1, 2, 3, 4, 5, 6]

Answer

D) [Tree diagram with 1, 2, 3, 4, 5, 6, 7]

Question 41

Layla chooses one of these tiles at random from a bag. The tiles are labeled: M, M, T, R, A, T, D, E, A, S, R. Which tree diagram represents the sample space of this event?

Accepted Answer

Tree Diagram 1

Answer

Tree Diagram 2

Answer

Tree Diagram 3

Answer

Tree Diagram 4

Question 42

Dale shuffles these cards and chooses one at random. Which list represents the sample space of this event?

Accepted Answer

{5, 5, 6, 6, 6, 6, 7, 7, 7, 8, 8, 9, 9}

Answer

{5, 6, 7, 8, 9}

Answer

{5, 5, 6, 6, 7, 7, 8, 8, 9, 9}

Question 43

You pick a card at random. (Cards shown: 5, 6, 7) What is P(even)?

Accepted Answer

1/3

Answer

2/3

Answer

1/2

Answer

0

Question 44

You spin the spinner once. (Spinner shows 4 equal sections labeled 6, 3, 4, 5) What is P(5)?

Accepted Answer

1/4

Answer

1/2

Answer

1/3

Answer

1/6

Question 45

Of the clients at Dillon's salon, 4 clients have blond hair and 12 clients have hair in other colors. What is the probability that a randomly selected client at Dillon's salon has blond hair?

Accepted Answer

1/4

Answer

1/3

Answer

1/2

Answer

1/16

Question 46

You pick a card at random. (Cards shown: 6, 7, 8, 9) What is P(not odd)? Write your answer as a fraction or whole number.

Accepted Answer

1/2

Answer

1/4

Answer

3/4

Answer

2/3

Question 47

You roll a 6-sided die. What is P(less than 6)? Write your answer as a fraction or whole number.

Accepted Answer

5/6

Answer

1/2

Answer

1/3

Answer

1/6

Question 48

You flip a coin. What is P(not heads)? Write your answer as a fraction or whole number.

Accepted Answer

1/2

Answer

1

Answer

2/3

Answer

1/3

Question 49

In what fraction of their games did Darnel's team score 2 or more runs?

Accepted Answer

3/4

Answer

1/2

Answer

1/4

Answer

2/3

Question 50

What percent of the time did Nicholas earn $25 or less?

Accepted Answer

25%

Answer

10%

Answer

50%

Answer

75%

Question 51

Sammy needs to earn $2700 a month. He earns a 12% commission on his total sales.  What must his monthly sales be?

Accepted Answer

$324

Answer

$325

Answer

$342

Answer

$350

Master Study Guide Final 7B/7C

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