Michael purchased 5 1/5 kilograms of sugar and then decided to purchase another 3 1/2 kilograms of the sugar. how many pounds did michael purchase altogether? assume 1 kilogram = 2.2 pounds.

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^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.)

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y