PLEASE HELP ME ILL GIVE BRAINLIEST

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

The population of a bacteria colony grows by a consistent percentage each hour and can be modeled by the function y = 500(1.16)t. what does the value 500 represent in the function?

The population in a city is modeled by the equation p(d)= 100,000*(1+0.3) where d is the number of decades since 1970