Find the sum or difference.

(2m+7)−(3−4m)

Arandom high school question but a hard one

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-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.)