Find the value of

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We have two stacks of styrofoam cups. One stack has 6 cups, and its height is 15 cm. The other one has 12 cups, and its height is 23 cm.

How many cups are needed for a stack with a height of 50 cm?

Do not include units (cups) in your answer.

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If you didn’t create your own graph of the situation before, do so now.

Draw your graph on paper, take a picture, and upload it using the image upload icon

If you do not have the ability to upload an image of your work, type "Graph is on paper."

What are some ways you can tell that the number of cups is not proportional to the height of the stack?

What is the slope of the line in your graph?

What does the slope mean in this situation?

At what point does your line intersect the vertical axis?

Write your answer in the following format:

(x,y)

with no spaces.

What do the coordinates of this point tell you about the cups?

How much height does each cup after the first add to the stack?

Do not include centimeters (cm) in your answer.