A sailor is on his boat. He determines that the angle of elevation to the top of the lighthouse is 30 degrees. He knows the lighthouse is 253 ft tall. How far away is the lighthouse

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

What is the range for 31,39,29,34,37,24,36,33,34,28

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.