Aspherical balloon is partially blown up and its surface area is measured. more air is then added, increasing the volume of the balloon. if the surface area of the balloon expands by a factor of 4.0 during this procedure, by what factor does the radius of the balloon change?

I’m stuck on this equation, anyone got the answer?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)