Annies car used 100 cups of gasoline during a drive he paid $3.12 per gallon for gas. how much did the gas cost ?

What properties allow transformation to be used as a problem solving tool

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?

What is the shape of the height and weight distribution