if x=1, y=7, and z=15, determine a number that when added to x, y, and z yields consecutive terms of a geometric sequence what are the first three terms in the geometric sequence?

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?