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?

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

What is the product? a-3/15a × 5/a-3

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so