What two explanations of productivity growth does endogenous growth theory offer? A. population growth and increased saving B. population growth and technological innovation C. increased saving and technological innovation D. accumulation of human capital and technological innovation

phillips, inc. had the following financial data for the year ended december 31, 2019. cash $ 41,000 cash equivalents 75,000 long term investments 59,000 total current liabilities 149,000 what is the cash ratio as of december 31, 2019, for phillips, inc.? (round your answer to two decimal places.)

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.

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.