The perimeter of the swimming pool shown below is 70 feet. Develop a formula to find the width, y, in term of its length, x. Explain your work.

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

The longer leg of a 30-60-90 trangle is 18