Afirefighter places a 29 feet ladder, so that the base of the ladder is 21 feet from the wall. what is the height at which the top of the ladder touches the wall?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

Which of the following equations is equivalent to x/3-6/x=1

What fraction is equivalent to 0.46464646··· a. 46⁄99 b. 46⁄999 c. 46⁄100 d. 23⁄50