Which of the following activities would give most students positive utility? instructions: in order to receive full credit, you must make a selection for each option. for correct answer(s), click the option once to place a check mark. for incorrect answer(s), click the option twice to empty the box receiving a prestigious scholarship. checked buying a new tv or music player. unchecked taking a university course that is both academically challenging and enlightening. checked cooking and eating your favorite type of food. unchecked beautiful weather on a day that you have off work or school.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

Which expression is equivalent to -12(3x-3/4)