the angle of depression from the top of a 15m high cliff toa boat at sea is 2.7 degrees. how much closer to the to the cliff must the boat move for the angle of depression to become 4 degrees?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x