Answer:
1.5%.
Step-by-step explanation:
The fractional increase is 15,000,000 / 1,000,000,000
= 15/1000
= 15 * 100 / 1000
= 1.5%
Umm it think it would 1/2hx and 1/2hy
idk if im right tho
Answer: 18
Step-by-step explanation: The radius is always half of the diameter, so 36 divided by 2 is 18.