Insert parentheses to make each sentence true:

32 + 8 × 3 ÷ 4 = 30

15 - 3 ÷ 1 × 6 = 2

18 ÷ 3 + 3 - 2 = 1

16 - 8 ÷ 4 + 10 = 12

5 × 5 + 5 - 5 = 45

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15