12. Two concentric circles have radii 12 cm and 25.5 cm respectively. A tangent to the inner circle
cuts the outer circle at the points H and K. Find
the length of HK

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