Question

I'm really stuck on this:/

Answer 1

Answer:

9.2

Step-by-step explanation:

put the 4 in for the c. it becomes 16. then subtract

Answer 2

Answer:

8.2

Step-by-step explanation:

c = 4

4 × 4 - 7.8 = X

16- 7.8 = X

8.2 = x

hope it helpful