X/3 - 38 = 42
x/3 = 80
x = 240
150.
You can read the uppermost point on the graph which is pretty much that point.

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So, we have the following equation...

Remember
and
is the following...

Therefore, 
So, your final answer is
.
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<em>Glad to help!</em>

Answer:
=x^2+7x+10
Step-by-step explanation:
Simplify: xx+5x+2x+2.5: x+7x+10
Add similar elements: 5x+2x= 7x
=xx+7x+2.5
xx=x2
2.5=10
=x+7x+10
Answer: =x^2+7x+10
<em><u>Hope this helps.</u></em>
You do the reverse and divide the 2 values to find out the last one
72/9 = 8
Do you get it?