1.02 in expanded form

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

What is the slope of the line that contains the points (-2,1) and (0,-3)

How to find the exponential function y=ca^x, with points (1,2) and (2,1)