A bank needs exactly two employees working each hour from 9 A. M. to 5 P. M. Workers can work the shifts and are paid the wages listed in the file P04_74.xlsx. For example, a worker working 9 A. M. to 2 P. M. is paid $42.00. Find an assignment of workers that provides enough workers at minimum cost. (Is it even possible to have exactly two employees working each hour? If not, make sure at least two are working each hour).

If f(x) = 2x - 6 and g(x) = 3x + 9, find (f - g)(x). a. (f-g)(x) = x + 15 o o b. (f- g)(x) = -x - 15 o c. (f- g)(x) = 5x + 3 o d. (f- g)(x) = -x+3 submit

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables