Which graph is proportional? How do you know?

Is the price proportional to the number of roses? How do you know?

What the is equation for this table? Write it in y=kx format.

Find the cost of purchasing 30 roses. Show how you know.
Create a graph of the table.
Complete the table. What is the proportional equation? Write it in y=kx format. You can also use the variables "s" and "p" if you like.
If Gaby wants to make a regular octogon with a side length of 20 inches using wire, how much wire does she need? Justify your answer with an explanation and show your work.
Are John's wages proportional? How do you know? Write an equation in y=kx format.

Are Amber's wages proportional? How do you know? Write an equation in y=kx format.

Who earns the most wages? How do you know? Explain your answer.
