StAaRr Review

Ursula surveyed 50 classmates about their favorite ice cream flavors. Each classmate chose one flavor. The results are shown in the circle graph.

How many more of Ursula's classmates chose chocolate than chose vanilla?

• 6

• 18

• 8

• 34

What is the solution set for

-4 - 10 ≤ 2?

• x ≥ -3

• x > 3

• x ≥ -2

• x ≥ -1

Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are dated from 1980 to 2000, and the rest are dated after 2000.

How many pennies in Russell's collection are dated after 2000?

• 720

• 480

• 40

• 60

A group of students formed a circle during a game. The circumference of the circle was about 43.96 feet, and the diameter of circle was 14 feet.

Which expression best represents the value of π?

• 43.96

  7

• 599

  43.96

• 43.96

  14

• 14

  43.96

What is the value of the expression

-9 x 2.2

• -19.8

• 20

• 10

• 19.6

An architect built a scale model of a sports stadium using a scale in which 2 inches represents 30 feet. The height of the sports stadium is 180 feet.

What is the height of the scale model in inches?

• $58,000

• $78,300

• $98,000

• $82,100

Which equation is true when k= -15

• 3k - 11 = -34

• -53 + 4k = 7

• k + 17 = 12

  3

• k + 2.5 = 0.5

  5

The price of a DVD is $24.00 plus 8% sales tax. What is the sales tax on this DVD in dollars and cents.

• $1.92

• $3.00

• $1.90

• $2.50