Find x y and z. please help!

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Margaret is purchasing a house for $210,000 with a 15 year fixed rate mortgage at 4.75% interest she has made a 5% down payment the house is valued at 205,000 and the local tax rate is 3.5% homeowners insurance 600 per year what are her total monthly payment

What ratio is proportional to 18/21