Please help me with this!!

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

In the 30-60-90 triangle below side s has a length of and side r has a length

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.)