Hello! Can someone help me?

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b