What is 8 x 10 to the 5 power
Ik this is easy but our teacher never taught us this

Answer this 30 points and brainliest!

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?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.