The angle of depression from the top of a lighthouse to a boat in the water is 30. if the lighthouse is 89 feet tall how far is the boat from the lighthouse to the nearest foot?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.