A box has the shape of a rectangular prism with height 28 cm. If the height is increased by 0.3 cm, by how much does the surface area of the box increase?

Use pencil and paper. Show your work. Then show a second way to
solve the problem. Explain which way you like better and why.

The surface area increases by
cm2.

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.