Answer:
The answer is 235.5 :)
Step-by-step explanation:
5c^2 +6c +13
so we can see than 5c^2
and 13c - 7c are the same = 6c
and 4 +9 = 13
so answer will 5c^2 +6c +13
8
Answer: 9.5, 7
9.5 , 8.5
