Net 2....................
Answer:

Step-by-step explanation:
The formula of a volume of a cone:

r - radius
H - height
We have r = 10cm and H = 16cm. Substitute:

Answer: A 15
Step-by-step explanation:
The answer is 3.4, you need to subtract 1.6 from 5.
2x+3 = 4x+7
-4 = 2x
x = -2