Alex collects toy cars. He visits stores each weekend and buys more toy cars. His mother wants to keep track of Alex's purchases in order to predict when she will need to buy a larger container. She keeps track of his purchases for a few weekends then creates a line of best fit for Alex's purchasing habits after x weekends. Her line of best fit is modeled by the equation y = 10x + 22. Select all options that correctly interpret the linear model.

Which expression is not a polynomial?

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.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table