Which ratios can form proportion?

a) 9/45,8/20

b) 8/12, 12/21

c) 8/12, 12/15

d) 9/22, 14/28

What is the square root of the day of the month that Christmas falls on?

What is 52 divided 1052

What does it mean to break even?

The birth rate in an area is increasing 6% per annum. If there 20,000 children born in this area 2009 how many will be in 2018?

Prove that the difference of two odd integers is even. give a justification at each step.

In 1/8 days, a construction crew built 1/4 miles of a road. What is the unit rate in miles per day.

Part A: What is the value of 2x if 4x + 6 = 2x - 12? Part B: What is the value of x - 3 if 24 = 6x - 18?

A cookie recipe uses 1 1/2 cups of sugar to make 1 batch of cookies what is the missing cup of sugar

Which of the following interpretations of the mean is correct? A. The observed number of hits per game will be equal to the mean number of hits per game for most games. B.

Whats six times five