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 = -8 and z = 3, what is the value of 5b(b - z)?
| 440 | |
| -18 | |
| 405 | |
| 640 |