If circle A has a radius of 4.7 cm, what is the diameter?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Math each whole number with a rational, exponential expression