48 mi :56 mi as a ratio

Question 5 spring semester final exam math evaluate

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse