Can someone please clarify. Answer + explanation please. What is the perimeter of the regular heptagon below?

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.)

Factor and solve to find roots x squared -x - 90 =0

What is the measure of angle 1? a.28 b.152 c.168 d.64