When building a house, the number of days required to build varies inversely with with the number of workers. One house was built in 19 days by 28 workers. How
many days would it take to build a similar house with 7 workers?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

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.)