Which of the following is a function? Explain why you chose the one you did. a. (3,5) (2,5) (6,1) (7,8)
b. (0,0) (1,1) (2,2) (1,3)
c. (-2,2) (3,2) (3,5) (-2,4)
d. (10,11) (10,12) (3,5) (6,9)

1foot = 12 inches; 1 yard = 3 feet

Which of the following best describes the delian problem?

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)