Ab ,cd and ef are straight lines. ab is parallel to cd. work out the size of angle y

What is the difference between regular convex and concave polygons

With both problems. a. s.a. p directions on photo ^

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.)