Factoring trinomials and difference of squares. I need to understand the steps.

I don't know if the 3rd image showed too, if not, I'll edit my answer.

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers

the answer is 3/2 and for decimal: 1.5

hope i

-lavira: )