The product of 3 and a number increased by 8 is 31 written as an equation

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.

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)