x^2 + x + 20y =2 x^2 − 2x − 20(D)
−20y =x − 1(E)
2 . A boat sights the top of a 40-foot lighthouse at an angle of elevation of
25
degrees. How far away is the boat from the lighthouse (the horizontal
distance), to the nearest tenth of a foot?(A) 16.9 feet
(B) 18.7 feet
(C) 44.1 feet
(D) 85.8 feet
(E) 94.6 feet