What is the answer to the question. Solve for x

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 number line represents the solution set for the inequality -1/2 greater than or equal to 4

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4