I need help with this question can some1 give me the answers

For which pair of functions is (gof)(a)=|a|-2?

Which of the following circles have their centers in the third quadrant?

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.)