If given a=2x+3y, b=9x-3 find aand b

What is this inequality notation? t is less then or equal to 2

How many solutions does the nonlinear system of equations graphed below have?

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?