How long does the inner bar have to be for a bench that is 20 inches off the ground, and 60 inches long?

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

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