HELP: Pre cal!
'PLEASE SHOW ALL WORK FOR BOTH PROBLEMS STEP BY STEP'
For each problem:
State if you are using the law of sines or cosines. These are not right triangle problems (1 pt)
Sketch and label a triangle represent the application problem. (1 pt)
Show your work step by step in an organized manner. (2 pts)
Indicate your final answer and include units. (1 pt)

A) A glider plane is flying between two radar stations which are located 30 miles apart.
The angle of elevation from the radar station to the left of the airplane is 25o and the angle of elevation from the station to the right of the airplane is 18o (Remember to include a sketch). What is the distance between the left radar station and airplane?

B) In the town of Trigonometry, the grocery store is located 14 miles from the book store. The bookstore is located 10 miles from the school and the school is located 20 miles from the grocery store. Find the angle in degrees that the book store makes with the grocery store and school.