In which region of the carbon-13 nmr spectrum would you expect to find a resonance for the carbonyl group of an aliphatic ketone? the given chemical shift ranges are approximate. a. 50-80 ppm b. 180-210 ppm c. 100-150 ppm d. 65-85 ppm e. 9-10 ppm f. 110-170 ppm

Assume that a national restaurant firm called bbq builds 10 new restaurants at a cost of $1 million per restaurant. it outfits each restaurant with an additional $200,000 of equipment and furnishings. to partially defray the cost of this expansion, bbq issues and sells 200,000 shares of stock at $30 per share. what is the amount of economic investment that ahs resulted from bbq's actions? how much purely financial investment took place?

University car wash built a deluxe car wash across the street from campus. the new machines cost $219,000 including installation. the company estimates that the equipment will have a residual value of $19,500. university car wash also estimates it will use the machine for six years or about 12,500 total hours. actual use per year was as follows: year hours used 1 3,100 2 1,100 3 1,200 4 2,800 5 2,600 6 1,200 prepare a depreciation schedule for six years using the following methods: 1. straight-line. 2. double-declining-balance. 3. activity-based.

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis. b)reject the null hypothesis and conclude the mean is higher than $6,000 per day. c)reject the null hypothesis and conclude the mean is lower than $6,000 per day. d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day. expert answer