The shapes of the horizontal cross-sections of the cone below are all congruent.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Given that abcd is a rhombus, what is the value of x?

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?