29.
As 
, 
.
This can be easily verified by looking at the graph (graph of a quadratic equation).
30.
The growth of a population is not linear, it's exponential.
31.
Exponential growth > polynomial, so 
.
35.
The question is asking V(t) for t = 40.
36.
The point of symmetry of a quadratic equation 
is at its vertice:
The line is x= 3.
For a polygon to be regular it must have all sides the same length and all interior angles the same.
1/8 is the answer because when you turn 12.5% into a decimal it is .125 and .125 x 8= 1. Hope this helps you out.
No, you should have reduced each base to...
3^(3*2x) = 3^(2*(x-3))
and then you can cancel each base
3*2x = 2*(x-3)
6x = 2x-6
4x= -6
x = -3/2
