Plz answer

25. From a point 47 feet from the base of a redwood tree, the angle ot'elevation to the top of the tree is 54.3". Find the height of the tree to the nearest foot. Show work. (sketch is not to scale) 26. For the triangle ABC, we are given thatA = 44, B = 62, and c = 30.0. C 44 62" A c = 30 B Find the length of side b, rounded to the nearest tenth. Show work. 27. Let u = ( 5, 10) and v = (12, 6). (a) Calculate the dot product 11 - v. Show work. (b) Determine the angle between u and v. Round the result to the nearest degree. Show work. _ 2 _ 2 28. An ellipse has the equation of J\" + (y 1) = 1 16 (a) Is the major axis horizontal or vertical? (b) Find the exact values of the foci of the ellipse. Show work