An escalator lifts a person 1 m/s while simultaneously moving the person 3 m/a horizontally. What's the person's resultant velocity

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

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