Can someone please simplify these.

9 is -4b with the little thing on top is 4.

Step-by-step explanation: hope that helped a little  and could i get a brainlist thing...

10 is  

y with the thing on top is 5

fraction with a "-"

2

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

answer: what are the answer choices?

step-by-step explanation: