Answer:Y=3x+7.25
Step-by-step explanation:
Second one tell me if im wrong
Answer:
The radius of the balloon is increasing at a rate of 4 feet per minute.
Step-by-step explanation:
We are given the following in the question:

Volume of sphere is given by

where r is the radius of the balloon.
Instant radius, r = 2 ft
Rate of change of volume =

Putting values, we get,

Thus, the radius of the balloon is increasing at a rate of 4 feet per minute.
Answer:
I think the answer is 19
Step-by-step explanation:
Answer:
154m^2
Step-by-step explanation:
I hope this helps.