what base could be written in the blank to make the exponential function model 15% decay ? y= () ^t\12

What's the difference between: x≥0 and nonnegative integer. ?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

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?