Determine which of the following statements are true if parabola 1 has the equation f(x)=x^2- 6x+8 and parabola 2 has a leading coefficient of 1 and zeros at x= -6 and x=-2. check all that apply. a. parabola 1 and parabola 2 have the same line of symmetry. b. parabola 1 and parabola 2 do not have a zero in common. c. parabola 1 crosses the y-axis higher than parabola 2. d. parabola 1 has a lower minimum than parabola 2.

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.