The Ponce de Leon lighthouse in St. Augustine, Florida, is the second tallest brick tower in the United States. It was built in 1887 and rises 175 feet above sea level. How far from the base of the lighthouse is a motorboat if the angle of depression from the top of the lighthouse is 13°15'?

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Which of the following is true for the relation f(x)=2x^2+1

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68