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

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

True or false? a circle could be circumscribed about the quadrilateral below.