a lightouse keeper that has a 10 degree angle of depression between the horizontal light beam and the line of sight from the ship if the keeper is 19 meters abover water how far is the ship from the base of the lighthouse

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.