From the top of the cape san juan lighthouse, a 45 foot tall lighthouse located in fajardo, puerto rico, a tourist sights two boats coming into the coastline, one behind the other. the angle of depression to one boat is 21° and the angle of depression to the other boat is 40°. how far apart are the two boats? show work

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

What is a graph with a never ending line called?

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.