Calculate the mean of these four time periods. You must give your answer in hours and minutes.
3 hrs and 18 mins
2 hrs and 25 mins
6 hrs and 40 mins
4 hrs and 09 mins

Find the area of the regular hexagon if a side is 20 cm.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

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