Mathematical Modeling Question 1. Tech Covers Inc. Production Planning "Tech Covers Inc." is a company that produces covers for three types of devices: laptops, tablets, and smartphones. The company's production facilities allow them to produce 8000 laptop covers, 5000 tablet covers, or 7000 smartphone covers in one day only if the entire production is devoted to one type of cover (in other words, producing 8000 laptop covers, or 5000 tablet covers, or 7000 smartphone covers takes one full working day). The production schedule is one week (5 working days), and the week's production must be stored before distribution. Storing 1000 laptop covers (packaging included) takes up 60 cubic feet of space, while storing 1000 tablet covers (packaging included) takes up 30 cubic feet of space and storing 1000 smartphone covers (packaging included) takes up 40 cubic feet of space. The total storage space available is 8000 cubic feet. Due to agreements with major electronics retailers, Tech Covers Inc. has to deliver at least 6000 laptop covers and 4000 tablet covers per week to strengthen the product's market presence. The marketing department estimates that the weekly demand for laptop covers, tablet covers, and smartphone covers does not exceed 12000, 10000, and 15000 units, respectively. Therefore, the company does not want to produce more than these amounts for laptop, tablet, and smartphone. covers. Finally, the net profit per each laptop cover, tablet cover, and smartphone cover is $5, $8, and $10, respectively. (a) Write a Linear Programming formulation for the problem. You must label each constraint. (Hint: define decision variables as the number of items of each produced over the week). (b) Solve your developed model using Excel and obtain the optimal weekly production plan of this company.

Suppose you are the director of human resources and responsible for planning your company's holiday party You decide to create a survey to gather some information that you think will be helpful in making the party a big success. Write one question for each of the following data types that you think would be helpful in planning the party.  Quantitative continuous question: Quantitative discrete question:Qualitative binary question:Qualitative nominal question:Qualitative ordinal question:

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SBL Corporation is preparing to expand into B2B e-business. It is least likely to need which of the following database tables as part of its network? Group of answer choices A. Customer B. Employee C. Business D. Order

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