Cori is making punch for a family reunion. her recipe calls for 2 and 1/2 cups of lemonade per batch. she plans to make 20 batches of punch for the reunion. how many gallons of lemonade does she need?

The formula for the volume of a rectangular prism is v = lwh. a rectangular prism has a length of 2y 3 and width of 5y. the volume of the prism is 20y 10 + 70y 4 . what is the height of the prism? show your work.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?