In order to have reflection symmetry must a polygon have at least two sides that are the same length ?

What is the greatest common factor of 8 and 36

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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.)