What does 15cubed look like in exspanded form

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Given abcd ac=38 and ae=3x+4 find the value of x

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