Phoebe mixes an alloy containing 14% silver with an
alloy containing 24% silver to make 100 pounds of an alloy with 18% silver. How many pounds of the 14% silver alloy did she use?

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

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.)

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?