Question in attachment

Shannon drove for 540 minutes. if she traveled 65 miles per hour, how many total miles did she travel?

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

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25