DIRECTIONS: Evaluate the following algebraic expressions using the given values. Write only the final answer. 1. Evaluate: 7 + 4b when b = 5 *

2. Evaluate: 27 – z when z = 4 *

3. Evaluate: 4x – 8y when x = 2 and y = -3 *

4. Evaluate: 5a – 3b + 12 when a = 5 and b = 12 *

5. Evaluate: 7m – n + 18 when m = -3 and n = 9 *

6. Evaluate: -4x²y + 3xy² when x = -3 and y = 2 *

7. Evaluate: 5ab² – 3c² when a = 4 , b = 3 and c = 2 *

8. Evaluate: 5c² – 4ac² when a = -2 and c = 2 *

9. Evaluate: 3(p + 6) when p = 4 *

10. Evaluate: 7 + 11k when k = -3 *
please answer URGENT