Question

Evaluate the following expression if w = 10, x = 8, y = 6, z = 4
3z to the power of 2 minus 20

Answer 1

Answer:

28

Step-by-step explanation:

3z^2 - 20

substitute z for 4 (given)

3*4^2 - 20

3*16 - 20

48 - 20

28