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 = 7 and y = 9, what is the value of -5b(b - y)?
| 70 | |
| -240 | |
| -35 | |
| 100 |