Express 2.78 as a fraction in lowest term

Wht is the value of a^3 - b^2 for a = 3 and b = 1/2?

How many leaves on a tree diagram are needed to represent all possible combinations of tossing a coin and drawing a card from a standard deck of cards?

Evaluate! 1/3 (x-2) when x=-2

Number sense which subtraction sentences show you how to find 15 - 7

Two pipes can fill a tank in 98 98 minutes if both are turned on. If only one is used, it would take 29 29 minutes longer for the smaller pipe to fill the tank than the larger pipe. How long will it take for the smaller pipe to fill the tank?

In two years what percent of his age will Benny's mom be at that time since Benny is 12 and his mom is 48

The ages of three cousins are consecutive even whole numbers. The sum of the youngest and oldest is 16. How old is the oldest cousin?

Find the value of x if 8x=4^x

A company dyes two sizes of rugs. A small rug requires 8 hours for dyeing and a medium-size rug requires 12 hours for dyeing. The dyers have to make at least 22 rugs, and they must do it in less than 240 hours.

What is 8 2/7 - 1 1/7