There are 150 marigold plants in a back yard. each month, the number of marigold plants decreases by 15%. there are 125 sunflower plants in the back yard. each month, 8 sunflower plants are removed.
part a: write functions to represent the number of marigold plants and the number of sunflower plants in the back yard throughout the months. (4 points)

part b: how many marigold plants are in the back yard after 3 months? how many sunflower plants are in the back yard after the same number of months? (2 points)

part c: after approximately how many months is the number of marigold plants and the number of sunflower plants the same? justify your answer mathematically. (4 points)

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.