There are 975 birds in an aviary. each month, the number of birds decreases by 7%. there are 350 trees in the aviary. each month, 7 trees are removed. part a: write functions to represent the number of birds and the number of trees in the aviary throughout the months. (4 points) part b: how many birds are in the aviary after 12 months? how many trees are in the aviary after the same number of months? (2 points) part c: after approximately how many months is the number of birds and the number of trees the same? justify your answer mathematically. (4 points)