At Carter's birthday party his mom made a cake in a rectangular shape. The length of the cake is 8cm and the width of the cake is 5cm. If she wants to double the cream around the cake, what is the scale factor?Single choice. (1 Point) ​

1foot = 12 inches; 1 yard = 3 feet

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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.