A government agency publishes ratings of airlines, ranking highest the airlines that have the smallest proportion of late flights. The agency┬б┬пs purpose is to establish an objective measure of the relative efficiency of different airlines' personnel in meeting published flight schedules. Which one of the following, if true, would tend to invalidate use of the ratings for the agency's purpose?
(A) Travelers sometimes have no choice of airlines for a given trip at a given time.
(B) Flights are often made late by bad weather conditions that affect some airlines more that others.
(C) The flight schedules of all airlines allow extra time for flights that go into or out of very busy airports.
(D) Airline personnel are aware that the government agency is monitoring all airline flights for lateness.
(E) Flights are defined as 'late' only if they arrive more that fifteen minutes past their scheduled arrival time, and a record is made of how much alter than fifteen minutes they are.

Examine the following book-value balance sheet for university products inc. the preferred stock currently sells for $30 per share and pays a dividend of $3 a share. the common stock sells for $16 per share and has a beta of 0.9. there are 2 million common shares outstanding. the market risk premium is 9%, the risk-free rate is 5%, and the firm’s tax rate is 40%. book-value balance sheet (figures in $ millions) assets liabilities and net worth cash and short-term securities $ 2.0 bonds, coupon = 6%, paid annually (maturity = 10 years, current yield to maturity = 8%) $ 5.0 accounts receivable 3.0 preferred stock (par value $15 per share) 3.0 inventories 7.0 common stock (par value $0.20) 0.4 plant and equipment 21.0 additional paid-in stockholders’ equity 13.6 retained earnings 11.0 total $ 33.0 total $ 33.0 a. what is the market debt-to-value ratio of the firm? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places.) b. what is university’s wacc? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places.)

Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.

During the holiday season, maria's department store works with a contracted employment agency to bring extra workers on board to handle overflow business, and extra duties such as wrapping presents. maria's is using during these rush times.