Answer:
690,000 thanks for asking
Try 6578 :) I think that may be right,
The balloon has a volume
dependent on its radius
:

Differentiating with respect to time
gives

If the volume is increasing at a rate of 10 cubic m/s, then at the moment the radius is 3 m, it is increasing at a rate of

The surface area of the balloon is

and differentiating gives

so that at the moment the radius is 3 m, its area is increasing at a rate of

Answer:
Ty :)
Step-by-step explanation:
I lost all my points bc a moderator (LukeG1) >:(