The length of a rectangular floor is 5 feet less than twice it's width. the area of the floor is 150 square feet. what is the width of the room?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

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

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?