Researchers identified college students who generally were procrastinators or non-procrastinators. the students were asked to report how many symptoms of physical illness they had experienced throughout the semester. by the end of the semester, most students had had some symptoms of physical illness regardless of their planning skills. the number of symptoms, y, reported for non-procrastinators was summarized in the function, equals.2x plus 6.5, where x stands for the number of passed weeks of the semester. similarly, equals.9xplus3 for procrastinators. find the week in the semester where both groups of students reported the same number of symptoms.

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.