Answer:
S.A. = 15.7
Step-by-step explanation:
S. A. = ![\pi r^{2} + \pi rl](https://tex.z-dn.net/?f=%5Cpi%20r%5E%7B2%7D%20%2B%20%5Cpi%20rl)
1 x 1 x 3.14 = 3.14
3.14 x 1 x 4 = 12.56
12.56 + 3.14 = 15.7
The pictures is black and theres only 15 and a 1 so im gonna guess 15
X=-3
because
-4x=21-9
-4x= 12 divide both sides
x=-3
Answer:
D
Step-by-step explanation:
30.20 * 15% (or 0.15) = 4.53
4.53 is about 4.50