Haley is twice as old as Riley. The sum of their ages is 39. Write an equation that represents (x), Riley's age.

If the area of A is 81 times that of B l, what is the ratio of the perimeters?

What two numbers have a sum of 17 and a difference of 5

How to check if a ratio is equivalent

2y-x+-6 in slope intercept

Which is less 4 quarts or 1 gallon

In circle v, r=14ft. what is the area of circle v? A) 14πft2 B) 28πft2 C) 49πft2 D) 196πft2

Which equation has a solution of a = 4? a 12 a = 3 b 3a = 12 c a - 12 = 3 d 12a = 3

The conference table top shown is the shape of two trapezoids. The table top is wooden with a rectangular glass inset. All of the wood on the conference table needs to be refinished.

A researcher is running a study to determine how employees of a certain company commute to work. In order to complete the study, the researcher selects a sample of 300 employees of this company and records their means of arrival on a specified day.

How can a decimal be converted into a percentage?