When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)
If b = 9 and y = -5, what is the value of 5b(b - y)?
| -2 | |
| 72 | |
| -36 | |
| 630 |