Nelson finds a video game for $38.50. the game is on sale for $31.57. what is the present of discount on the game?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

What is r i 4.5+10r=-6.5 with work pls

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.)