Henry received a pet frog for his birthday. During feeding time Henry noticed that his frog ate 2 flies per minute for 5 minutes. If Henry's frog is fed once a day and the pet store sells flies in packs of 5 how many packs will Henry need to buy to feed his frog for one week?

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.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.