Compare the amount of sand in the top cone of the hourglass to the amount there will be when the height of the sand in the top cone is only one inch.

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Ill mark the brainliest if you me with the these three questions 7,8,9

Can someone answer this question for me