D: because if you take 9.50-7.50=2 you would get p=price or the price of the pen.
Hope I helped=)
The equation of the line shown is y = 1/3x - 1
Because the slope is rise/run and in this case you rise 1 and run 3. And the y-intercept is -1 because that is where the line crosses the y-axis.
hope this helps :)
Yes because 4 times 5 is 20 and 15 + 5 is 20
You would do 200 times 1.58 and that gets you 316 hope this helps :)
