1. D = 60t, Match one of these equations to each of the graphs.
a. where d is the distance in miles that you would travel in t hours if you drove at 60 miles per hour.
b. q = 50 - 0.4d, where q is the number of quarters, and d is the number of dimes, in a pile of coins worth $12.50.
c. A = pi r to the power of 2 where A is the area in square centimeters of a circle with radius r centimeters.