Pls im stuck and i really need help

Carl wants to buy a television that cost $500 including taxes. to pay for television he will use a payment plan that requires him to make a down payment of $125 and then pay $70.50 each month for six months what is the percent increase from the original cast of the television to the cost of the television using a payment plan.

Which system of linear inequalities is represented by the graph?

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2