to lift an object weighing 12,000 N, how much force is needed on a piston with an area of 0.060 m^2 if the platform being lifted has an area of 3.0 m^2

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

Can someone me i’m confused. will give brainliest and a whole bunch of points

Nine more than four times a number is the same as one less than twice the number. find the number?