Ihave to know this by tomorrow 43.60 ÷ 20

What properties allow transformation to be used as a problem solving tool

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5