PLEASE HELP!
CAN YOU PLEASE EXPALIN WHAT IS THE NUMBERS ON EACH LITTLE LINE

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.

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

How do you find the area of a triangle