Please help me with these homework problems. Show all work. So i can retrace steps.

5. (10 pts) A person is sitting on the ground between the Acme and Baker buildings. The person is 48 feet from the Acme building. The Baker building is 47.2 feet tall. From the person's point of view, the angle of elevation to the top of the Acme building is 73 and the angle of elevation to the top of Baker building is 60. Show work in answering the following questions: (a) (b) How tall is the Acme building? How far apart are the two buildings? Report the values to the nearest tenth of a foot. Acme Baker 47.2' 730 60 48' 6. (7 pts) Use a sum or a difference identity to find the exact value of sin (2850). Show work