Use elimination to solve the system 5x + 4y = -10 and 3x + 6y = -6 for y. Please show work

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

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