Adiagram shows one of the post at the end of manuel driveway it length is 11.5 the breadth is 11.5 and the width is 7.4 what is the volume of the post

Anyone know? will mark brainliest if correct

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld