Decide whether each table could represent a proportional relationship. If the relationship could be proportional, what would be the constant of proportionality? a. The number of wheels on a group of buses

5 30
8 48
10 60
15 90

b. The number of wheels on a train.

20 184
30 264
40 344
50 424

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.