The describes the relationship of the lengths of the side of a triangle

2x+3y=12 x-y=6 solve the following system equations

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

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