heLp PLEASE I HAVE BEEN STUCK ON THEESE THREE QUESTIONS FOR EVER PLEASE PLEASE PLEASE HELP Thank you!

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.

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.