The width of a pool is x meters long. The length of the pool is four meters longer than the width. Which expression represents the area of the pool? x + 4
x^2 + 4
x^2 + 4x
2x^2 + 4

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Suppose a ball is dropped fromca height of 6ft. it bounces back up but time it bounces, it reaches only 7/10 of its pervious height. what is the total of each height that the ball reaches after 5 bounces

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1