D: because if you take 9.50-7.50=2 you would get p=price or the price of the pen.
Hope I helped=)
You look at the triangle...
The sides there are four
The base is the bottom
...
This is quite easy, but anyway:
In order, they are
3, 4, 4, 5, 5, 5, 5, 7, 7
7 - 3 = 4
4 would be the range
Answer:
The constant of proportionality would just be 12.9.
Step-by-step explanation:
This equation is already simplified enough to were the constant of proportionality is just the number attached to the x.
7245000...hope that helps