Will give brainliest if you answer these sample questions correct

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

The length of a rectangular flower bed is 2ft longer than the width. if the area is 6ft, then what are the exact length and width? also find the approximate dimensions of the rectangle.