Please Help :(. i need more help with math soon so friend me on discord dont question the name i watch anime lol-. Hisoka~ ;) 0044

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187