Answer both questions to get brain ( if u cant see all the answers its fine all u need is the question)

Solve the system of equations. y= 2x y= x^2 - 15

Divide. write in simplest form 41/6 divided by 10

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance