Which graph represents the solution set to the system of inequalities? { y ≤ 2x + 2
{ 1/2x + y < 7
{y − 3 ≥ 0

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?

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Can someone tell me if this is perpendicular? !