Question

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?

Answer 1

Which statement describes the translation of y = –1/2(x + 5)2 + 2 from standard position?
Moved down and to the left.
Moved up and to the right.
Moved up and to the left.
Moved down and to the right.

Answer 2

x=89cot30

Answer 3

154.48

Answer 4

i dont need answers i need instructions on how to remeber this and do it.