Two window washers, Philip and Kiera, lean a ladder against the side of a building so that Philip can wash a window while Kiera holds the ladder. The top of the ladder reaches the window, which is 16 feet off the ground. The base of the ladder is 12 feet away from the building. How long is the ladder?

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.