Rotate triangle P 90 degrees clockwise about the point (2,-1)

What is perpendicular to y=-1/2x+11

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.

The olympic-size pool at the recreational center is a right rectangular prism 50m long and 25m wide. the pool contains 3000m of water. how deep is the water in the pool?