The square of a number is equal to 10 less than 7 times that number. what are the two possible solutions?

which of the following equations is used in the process of solving this problem?

x^2- 7x + 70 = 0
x^2- 7x + 10 = 0
x^2 + 7x - 10 = 0

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 .

Asap! i'm not good math and i'm lost.

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?