Adrian drives 120 miles to visit his grandmother. It usually takes him 3 hours. which equation represents the rate at which adrian drives? y= 120x
y=40x
y=3x
x=40y

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Answer this 30 points and 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?