A bag of marbles contains 7 blue, 3 red, 11 yellow, and a green marbles.
What is the probability that Beth
randomly draws out a green marble
followed by a purple marble if she
doesn't put back the first marble?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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.