Mateo and Kristen want to know the combines number of arcade games they played today. They both played 4 games for a dollar, but Mateo also won 5 free games. Kristen says the combined number is 4M + 5 + 4k, where
Mis the number of dollars Mateo spent and K s the number of dollars she spent. Mateo says the cobined
amount is 5(M+K) +4. Who is right and why? (Explain)

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

10% of 1,900,000. show me how you got the answer

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.