About 15 percent of employees killed in workplace accidents tested positive for drugs or alcohol. why might sale associates and pr specialists be especially mindful of this? a. workers in this field are not required to submit to drug testing as frequently as people in other fields such as teaching ,b. they work in environments where drugs and alcohol are more easily accessible., c. they interact with the public and have to be especially concerned with being alert and clear headed at all times. ,d. these jobs typically attract overconfident people who feel they can use drugs and alcohol and still do their job. (apex question! )

Uestion 7 you hold a portfolio consisting of a $5,000 investment in each of 20 different stocks. the portfolio beta is equal to 1.12. you have decided to sell a coal mining stock (b = 1.00) at $5,000 net and use the proceeds to buy a like amount of a mineral rights company stock (b = 2.00). what is the new beta of the portfolio?

Needs to schedule the staffing of the center. it is open from 8am until midnight. larry has monitored the usage of the center at various times of the day and determined that the following number of computer consultants are required: time of dayminimum number of consultants required to be on duty8 am-noon4noon-4 pm84pm-8pm108pm-midnight6 two types of computer consultants can be hired: full-time and part-time. the full- time consultants work for eight consecutive hours in any of the shifts: morning (8am- 4pm), afternoon (noon-8pm) and evening (4pm-midnight). full-time consultants are paid $14 per hour. part-time consultants can be hired to work any of the four shifts listed in the table. part-time consultants are paid $12 per hour. an additional requirement is that during every time period, there must be at least two full-time consultants on duty for every part-time consultant on duty. larry would like to determine how many full-time and part-time consultants should work each shift to meet the above requirements at the minimum possible cost. formulate this as an lp problem. you must define your variables clearly

Jewelry manufacturers produce a range of products such as rings, necklaces, bracelets, and brooches. what fundamental economic question are they addressing by offering this range of items?