Green area - triangle area = 72-9 = 63 square feet
When one organism gains a benefit at the expense of a second organism and causes them harm is called:
A. Parasitism
B. Mutualism
C. Commensalism
D. Predation
There are no choices but when graphed the parabola will look like an upside-down "U". like this: ∩
N/8, 4p, b+14, 90x, -16, 24-k, 3(w), 1+q, 13/z, 45+c, w-8
