Help! I’ll mark brainliest

The volume of a cube is 8 in to the 3rd power. how long is each side?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points