Respuesta :

Answer:

1) 15

2) 10

3) 11

4) -4

5) -8

6) 12

7) 14

8) -6

Step-by-step explanation:

plug the values given into each equation for example

1) 2c - d at c=6, d=-3

2(6) -(-3) = 12 + 3 = 15