Could i have some help real quick? this is due in an hour and i dont know how to do it

What is the solution of log2  (3x  -  7)  =  3? 4 5

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?

Who long does it take to drive 150 miles at 45 miles per hour