Find the angles, θ<0<360, that satisfy the equation below, to the nearest 10th of a degree. cos(θ)= -√7/5

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Reflect the point (7,0) across the y-axis

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?