A hydraulic lift chair has its sear attached to a piston with an area of 11.2 cm² if a person sitting on the chair exerts a downward force of 219 N ,What force is needed to be exerted on the small piston to lift the seat?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.