A. 18.99 b 16.676 c 30.11 d 13.801 can't answer the rest right now I'm getting ready for school
Answer:
-12
Step-by-step explanation:
6 times -2 is -12.
_____
"Lowers by 2°" can be represented by an integer of -2.
This really depends on the fraction; if there are variables in the equation, if they are full numbers,etc. I'd really recommend looking up khan academy on YouTube and that will really help you out!
The surface area of a cylinder is the area of the bases plus the area of the side, or SA = 2*A₁ + A₂
Since the area of a circle is

,
SA = 2*(

) + A₂
Since the area of the side is height * the circumference of the circle or A₂ = h *

, then SA must be;
SA =

SA =

SA =

SA ≈ <span>351.858377202</span>