Can someone help me with this?

1) .

2)  

3)  

4)  

5)  

6)  

7)  

8)  

Step-by-step explanation:

In the given number lines, rightarrows represent positive integers and leftarrows represent negative integers.

1)

In first number line we have two rightarrows.

Rightarrow from 0-4 = 4

Rightarrow from 4-9 = 5

So, required sum is .

Similarly,

2)

3)

4)

5)

6)

7)

8)

idc

step-by-step explanation:

idk

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)