Find the greatest common factor of 21, 24, 27

A middle school has 490 students. Mae surveys a random sample of 60 students and finds that 24 of them have pet dogs. How many students are likely to have pet dogs? 294 196

A recipe uses 5 cups of water, 3 cups of rice, and 1 cup of black beans. What is the ratio of cups of rice to cups of water?

Misha Increased Her Test Score From 60% To 80%. What Was The Approximate Percent Increase Of Misha's Test Score?

What is pie divided by pie

Solve linear system: x-y=6 and 2x=12+2y

Is 0.090090009 rational Or irrational?

A college student earned $5400 during summer vacation working as a waiter in a restaurant on the boardwalk at the beach. The student invested part of the money at 8% and the rest at 6%.

Flip a fair coin 200 times. what is the probability that the number of heads > = 110? answer to four digits of precision.

One number is 1/2 of another the sum of the number is 72 find the numbers

How to solve the problem - 3 (4x+3) + 4 (6x+1) = 43