You have a ribbon that is 6 7/8 inches long. You use 2/5 of it on a project. How much ribbon is left?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree