Problem Solving 1.
On a test, each correct answer scores 5 points, each incorrect answer scores -2 points
and each question left unanswered scores 0 points.
b.
a. Suppose a student answers 16 questions correctly and 3 questions incorrectly, and
does not answer 1 question. Write an expression for the student's score and find the
score.
Suppose you answered all 20 questions on the test. What is the greatest number of
questions you can answer incorrectly and still get a po ve score?
plain your
reasoning

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.