Set up an Equation and solve for X

Find the measure of Angle LMP and Angle LNP

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?