PLS HELP ASAP, I need it in 10 mins. I GIVE 15 PTS if v1 = (3,-4) and v2 = (2,6) then v1*v2 is equal to which of the following? A. 30
B. (-12, -24)
C. (6,-24)
D. -18

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

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?

Yvaries inversely as x. y =12 when x=5. find y when x=4