How-To Find What Bee = PrBL Test Review

m = 2(5w-10)

What is the equivalent form of this rule?

• m=10w-20

• m=7w-12

• m=10w-10

• m=0w

The ocean floor is at -84 m. Lukas dove -10 m from the surface of the water. If he continues to dive at -4 m/min, how many meters above the ocean floor will Antonio be after 5 minutes.

Select all possible representation of this problem or its solution.

• -10 + 5(-4) - (-84)

• 54

• -54

• -10 + 5(-4) + (-84)

Nick goes for a hike. He begins at an elevation of  $25\ \frac{1}{2}$  
 feet above sea level. The trail drops 40
 feet in elevation from beginning to end. What is Tommy's final elevation?

•  $65\ \frac{1}{2\ }feet$  

•  $14\ \frac{1}{2}\ feet$  

•  $-14\ \frac{1}{2\ }\ feet$  

•  $-65\ \frac{1}{2}\ feet$  

Which of these is correct?

• 15 + 15 = 0

• -15 - 15 = 0

• -15 + (-15) = 0

• 15 + (-15) = 0

Which statement explains why the sum of -5 and 5 is 0?

• On a number line, 5 is 5 units to left of 0.

• On a number line, -5 is 5 units to the right of 0.

• On a number line, 0 is 5 units to the left of 5.

• On a number line, 0 is 5 units to the right of t.

Diedre comes across the equation below on her math homework.

-4(5 - 7) = x

Diedre correctly solves for the value of x. What answer does she find?

• x = -48

• x = -8

• x = 8

• x = 48

Which of the following expressions results in -4?

• $-20\cdot0.2$

• $-6\cdot1.5$

• $-\frac{2}{4}\cdot\frac{8}{2}$

• $4\left(-1\ \frac{1}{4}\right)$

Which expression is equivalent to 2x+4?

• $6x$

• $\frac{1}{3}\left(18x\right)$

• $\frac{1}{3}\left(6x+12\right)$

• $2\left(x+4\right)$

Courtney made 3 withdrawals of equal amounts from her savings account. The equaiton below can be used to determine x, the amount in dollars of each withdrawal.

400-3x=322.75

What was the amount in dollars of each of Courtney's withdrawals?

• $24.09

• $25.75

• $74.25

• $77.25

A shipping company charges $12 per package plus $0.28 per ounce. Which equation can be used to find the weight of a package, in ounces, that costs $16.20 to ship?

• 12 - 0.28x = 16.20

• 12x + 0.28 = 16.20

• 12x - 0.28 = 16.20

• 12 + 0.28x = 16.20