Test Prep Day 2

8. Match the following

9a. Find the sum or difference.

$$6+\left(-8\right)=$$ ​ (a)  

9b. Find the sum or difference.

$$6-\left(-8\right)=$$ ​ ​ (a)  

The number of minutes each day that Kaia spent on her computer for the last 10 days is shown.

45, 60, 40, 90, 30, 120, 50, 75, 90, 0

Place the correct value on the line of the measure it supports.

Mean:​ (a)   Median: ​ (b)   Mode:​ (c)  

The ratio of sixth-grade students to fifth-grade students in the Kirkpatrick Elementary school band is 5:4. If there are 20 fifth-grade students in the band, how many sixth-grade students are in the band?

12. Pete has 5 fewer than 4 times as many model cars as Horatio. Let c represent the number of model cars that Horatio has. Which expression represents the number of model cars that Pete has?

13 What is the measure of $$\angle P$$ ?

14. Gary bought 15 pens, 3 notebooks, and 2 printer cartridges at the stationary store. The pens cost $0.79 each, the notebooks cost $6.29 each, and the printer cartridges cost $27.95 each. How much did Gary spend at the stationary store?

15. Mr. Falk wants to buy carpeting for a rectangular room that is 18 feet long and 15 feet wide. How many square yards of carpeting does he need?

16. Lana is going to toss a number cube labeled 1-6. Which describes the probability of the number cube landing on a composite number?