The
first graph.
The equation is x - 1

3
In order to solve it, you need to get x by itself.
Add 1 to both sides. 3+1=4
x

4
Since this is your sign

the arrow has to point towards the left, and the circle needs to be colored in.
Answer:
<em>3,500</em>
Step-by-step explaination
<em>20,000×0.7=14,000 students are accepted</em>
<em>Of these, 25% enroll.</em>
<em>14,000×0.25=3,500 students enroll.</em>
(3,0) and (0,9)
Slope= (9-0)/(0-3)= -3
Line equals Y= -3x+9