Answer:
area= x^2+8x+7
Step-by-step explanation:
a=l*w
l=x+7
w=x+1
a=(x+7)(x+1)
a= x^2+8x+7
5c^2
i think c is a variable so,
5xcxc = 5c^2
Question 9
18, 28, 6, 54
Question 10
Correct Number: 5
Incorrect Number: 6
