State which of the following sets of ordered pairs represent a function. Set A: (5,2), (4,3), (3, 4), (2,5)
Set B: (-1,-6), (0, 2), (1, 2), (3,6)
Set C: (2, 1), (4, 2), (2, 3), (8,4)

The sum of two numbers is 86, and their difference is 20. find the two numbers

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

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.)