Select ALL the expressions that are equivalent to 1/2z

A.) z + z

B.) z divided by 2

C.) z • z

D.) 1/4z + 1/4z

E.) 2r

Find the difference 213-98 or 6320-1289?

Kendra has $ 7.75 $7.75 in nickels and quarters. if she has 13 13 more quarters than nickels, how many of each coin does she have?

What is the answer to 3 times 4 plus 10 times 5

Two radios equivalent to 3/12

Sue juiced orange from her orange trees. from the first two trees she collected 2/6 gallon of juice from each tree. the last tree yielded 2/3 gallon. how many gallons of orange juice did sue collect in all

Bob won big at bingo last night, he walked away with $800. The first thing Bob does is to take a cab to his mother's house. He gives the cab driver $20 and tells him to keep the change.

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100.

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000

John has a bag of marbles that contains 12 red marbles 20 green and 17 blue. if john pulls one marble what is the probability that it will be a purple marble

Solve for x: 2 over 3 (x - 4) = 2x. 2 - 2 - 8 - 4