Solve for x in the diagram below

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 expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Find the area of the regular hexagon if a side is 20 cm.