Very Easy Question) Round 571,984 To The Nearest 100 ! )

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170