Help me please due in 20 mins

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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.)