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- 1. Multiple-choice3 minutes1 pt
During summer, the height of the water in a pool decreases by 4 inches each week due to evaporation. What is the change in the height of the water over a six-week period?

24 inches

1.5 iches

-1.5 inches

-24 inches

- 2. Multiple-choice3 minutes1 pt
On a certain day, the temperature changed at a rate of -3ยฐF per hour. How long did it take for the change in temperature to be -33ยฐF?

-11 Hours

-99 Hours

99 Hours

11 Hours

- 3. Multiple-choice3 minutes1 pt
On a rainy day the amount of rain in a rain gauge increases by 2 inches over a 24-hour period. How much will the amount of rain in the gauge increase by over an 8 day period?

9 inches

16 inches

4 inches

6 inches

- 4. Multiple-choice3 minutes1 pt
During a 12-hour period, the temperature dropped 48ยฐ. How many degrees did the temperature drop each hour?

-576ยฐF

4ยฐF

576ยฐF

-4ยฐF

- 5. Multiple-choice3 minutes1 pt
After vigorous activity, your heart rate declines 12 beats per minute. How much would your heart rate decline within an 8-minute period?

-96 Beats

-1.5 Beats

20 Beats

4 Beats

- 6. Multiple-choice3 minutes1 pt
A submarine descends at a rate of 150 feet per minute. How many feet will the submarine have descended at the end of 6 minutes?

25 feet

900 feet

-900 feet

-450 feet

- 7. Multiple-choice3 minutes1 pt
The snow on the ground melts at a rate of 2 inches per hour. If the snow has melted a total of 28 inches, how many hours have passed?

14 hours

56 hours

26 hours

30 hours

- 8. Multiple-choice3 minutes1 pt
Maria and Jasmine's math teacher is having a contest to see who can create an integer problem with the largest answer. Maria created the problem -8(-2) + 9 - (-7) and Jasmine created the problem 6 + 10(-3) + 5. Who won the contest?

Maria

Jasmine

- 9. Multiple-choice3 minutes1 pt
In which of the following pairs of numbers is -6 larger than the first number, but smaller than the second number in the pair?

-4 10

-5 -9

-25 -2

-7 -8

- 10. Multiple-choice3 minutes1 pt
Jenniferโs math teacher tells her to simplify the expression below. Which operation does Jennifer do last?

8 รท 4 + 6 + (-2) + 4(-2)

Add

Subtract

Multiply

Divide