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:
62
Step-by-step explanation:
180-56=124
124/2= 62
62+62+56=180
X = 4 and Y = 9. I did a complicated way of doing it so if u copy it it would look weird
Answer:
This is false.
Step-by-step explanation:
Hope this helps!!