Answer:
Step 3: 40 + 12 + (18 + 27) = 40 + 12 + 18 + 27
Step 4: 97 (its the answer)
Step-by-step explanation:
Step 3: 40 + 12 + (18 + 27) = 40 + 12 + 18 + 27 = 97
Step 4: 97
4a^5b^2=2*2*a*a*a*a*a*b*b
ab=a*b
greatest factor is ab
Answer: 
Step-by-step explanation:

a = base
h = height

Solve the parentheses squared first.

2 and 36 can be simplied
2/2=1
36/2=18


Rounded to the nearest whole number... 
Answer: C
Step-by-step explanation:
They both end up equaling 4x+16 so they cancel each other out
17 pencils. I’m preety sure