an fm radio station signal travels in a 40-mile radius. an am radio station signal travels in a 4-mile radius. how much more area does the fm station cover than the am station

1. what is the measure of ∠abc? what is the measure of ∠abd?

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?

Iwill give you ! what is the measure of ∠v ?