In the right triangle ABC, CD is an altitude, and c=e+f, by combining three equations it can be shown that a^2+b^2=c^2.One of the equations is c=e+f. which of the following could be the other two equations

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?