M3 Review - Rationals, Exponentials, Statistics

Karson is cleaning windows in a large office building. He can clean all of them in 10 hours if he works by himself. If his coworker Parker helps, they can clean the windows in 4 hours. How long would Parker take to clean the windows by himself?

• 2 hours and 51 minutes

• 6 hours and 20 minutes

• 6 hours and 40 minutes

• 7 hours

Tags

CCSS.HSA.CED.A.1

Pump A can drain the water out of a pool in 5 hours. Together with pump B, the two pumps can drain the water out of the same pool in 3 hours. How long would it take pump B to drain the water out of the pool by itself?

• 4 hours

• 1 hour and 53 minutes

• 7 hours and 30 minutes

• 7 hours and 50 minutes

Tags

CCSS.HSA.CED.A.1

Tags

CCSS.HSA.REI.A.2

• -3.585

• 1.943

• 2.018

• 0.335

The value of a stock is increasing at a rate of 2.5% each month. If this trend continues, what is the closest to the yearly rate of increase?

• 28.4%

• 30.0%

• 34.5%

• 38.2%

Tags

CCSS.HSF.BF.A.2

The population of a town has P amount of people and is tripling every year. Which function represents the population growth after n weeks. (there are 52 weeks in a year)

Tags

CCSS.HSF.LE.A.2

Tags

CCSS.HSA.APR.D.7

• A = 5

  B = -7

  C = 17

• A = 8

  B = -7

  C = 13

• A = 6

  B = -1

  C = -3

• A = 6

  B = -1

  C = -3

• A = 8

  B = 4

  C = 17

Tags

CCSS.HSA.APR.D.7

Tags

CCSS.HSF-IF.C.7D

Which will result in a random sample from the given population? Choose all that apply.

• A survey is sent out to all students at a high school and asks how many siblings they have.

• A group of 100 registered voters from Charlotte are selected using a random number generator from a list of all registered voters in Charlotte and asked their favorability rating of the city council (on a scale of 1 to 10).

• A reporter asks every 5th person who walks into a shoe store what their shoe size is.

• The names of all students from a small school are written down on slips of paper and placed in a container and thoroughly mixed. A surveyor then selects 20 of the slips of paper from this container and asks the 20 students whose names were on the paper questions about their classes.

Tags

CCSS.HSS.IC.B.3