How do u solve y=-8x
2x+4y=0

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.