Evaluate the expression when a = 4 and b=6.
b+7a

What is the factored form of the following expressions? d^2 – 13d + 36

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

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.)