Because it is being increased by 2.3 every time.
Answer:

Step-by-step explanation:
The quadratic can be solved in a straightforward way:

This tells you that the solutions are ...
2i or -2i
__
For each root of "a", (x -a) is a factor. Thus the factors of the equation are ...
(x +2i)(x -2i)
Answer:
C -15,000
Step-by-step explanation:
25 people occupy 100 ft2
Dimensions of venue: 200 x 300 = 60,000
100 ft2
25 people
=
60,000 ft2
x people
x = 15,000 people