Hello help me this Question

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?

The distributive property allows you to say that 3(x − 1) = 3x −

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?