Arianna gathered data about the distance of 20 cities from the equator and the average hours of sunlight per day in december for each city. she found the correlation coefficient between the two values to be -0.91. what type of correlation exists between the hours of sunlight and the distance from the equator in arianna's data?

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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.