Answer:
The rate of change is $12/photo and the sitting charge would be 15.
y = 12x + 15
Step-by-step explanation:
Multiply 6 * 12 and subtract that from 87.
6 * 12 = 72
87 - 72 = 15
sin36=h/75
h=75sin36
h=44.08ft
X=+30 that's all I know, Sorry I couldn't help much :(