Copper, Inc., initially issued 100,000 shares of $1 par value stock for $500,000 in 2013. In 2015, the company repurchased 10,000 shares for $100,000. In 2016, 5,000 of the repurchased shares were resold for $80,000. In its balance sheet dated December 31, 2016, Copper, Inc.’s Treasury Stock account shows a balance of:a. $ 0b. $ 20,000c. $ 50,000d. $100,000

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups. b. we cannot infer anything from these data since the distribution of salaries is likely right skewed. c. you cannot draw any valid conclusions because the sample sizes are different. d. more students should complete internships because having an internship produces a higher salary.

20. to add body to a hearty broth, you may use a. onions. b. pasta. c. cheese. d. water.

When a company produces and sells x thousand units per week, its total weekly profit is p thousand dollars, where upper p equals startfraction 800 x over 100 plus x squared endfraction . the production level at t weeks from the present is x equals 4 plus 2 t. find the marginal profit, startfraction dp over dx endfraction and the time rate of change of profit, startfraction dp over dt endfraction . how fast (with respect of time) are profits changing when tequals8?