The slope is 4/5 assuming time is along the bottom of the graph.
5.99 is the correct answer.
I hope this helped :)
Answer:

Step-by-step explanation:
The formula for the perimeter of a rectangle is:

We know that the length l is w+9. Substitute:

Combine like terms:

Simplify:

And that's our expression :)
And we're done!
Answer:
(c - a, b)
Step-by-step explanation: