That would be option A as the angles and sides ( the AS) have already been stated.
You should have an angle of elevation of 30 degrees.
Answer:
see below
Step-by-step explanation:

x - c > dy
x > dy + c
Answer:
R = P+C
Step-by-step explanation:
P = R-C
+C +C
R = P+C
Answer:
Town C.
Step-by-step explanation:
Average change of population with time for town A = 
Average change of population with time for town B = 
Average change of population with time for town C = 
Average change of population with time for town D = 
Town C had the greatest average change in population over time (800/yr).