Estimate the square root 52 nearest integer

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

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

How many square centimeters of wrapping paper will be used to wrap the shoe box?