The table above summarizes the results of 100 students at Arboc High School who took the AP Chemistry test. If one of the surveyed juniors who scored above the national average is chosen at random for an award, what is the probability that the person took the prep class (round the answer to the nearest hundredth)? (A) 0.04

(B) 0.55

(C) 0.79

(D) 0.97

5/6+7/8what is the answer sealsdbdbshd

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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.