Nick bought a music player. The price was $172, and the sales tax rate was 7 percent. How much sales tax did Nick pay when he bought the music player? A. $7. 20 B. $12. 04 C. $12. 45.

Which of the following actions would be most likely to reduce potential conflicts of interest between stockholders and bondholders? a) compensating managers with stock options, b) financing risky projects with additional debt, c) the threat of hostile takeovers, d) the use of covenants in bond agreements that limit the firm's use of additional debt and constrain managers actions, e) abolishing the security and exchange commission

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

(a) what do you think will happen if the price of non-gm crops continues to rise? why? (b) what will happen if the price of non-gm food drops? why?