Given A20 = -40 and a37 = -91, find the common difference, the first five terms, and the formula for the arithmetic sequence.

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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.)