Someone help plz make sure it’s right if it is will mark brainiest:)

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?

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect