Choose the correct simplification of the expression 4 over y to the power of negative 3. a) 4y^3 b) 4 over y to the 3rd power c) y to the 3rd power over 4 d) this expression is already simplified.

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

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.)

5. write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3)