A sail on a sailboat can be made from a material called sailcloth. Discount marine sports sells sailcloth for $11.75 per square yard. Jessica models a triangular sail on a coordinate plane with coordinates of the verticals of the triangle at (0,0),(4,0),(3,6). Enter the cost of purchasing the sailcloth for this sail, not including any overlap or stitching and on the sail

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.