I think the answer is n-20- first choice.
Answer:
4
Step-by-step explanation:
8(1)^2 -5(1) +1
8(1) -5(1) +1
8 -5 +1
4
Answer:
Answer is B
Step-by-step explanation:
Answer:
B. 140π units²
Step-by-step explanation:
Surface area of a cylinder:
2πrh + 2πr²
2π(5)(9) + 2π(5²)
90π + 50π
140π