Ineed badly and quickly, pls do not answer if you just want the points. i need an accurate answer for this. cheers

using the principle of inclusion-exclusion, find the number of solutions of the equation:

e. g q10) c(18,8)

q11) ?

q12) ?

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?