Sean , a middle schooler, has been selling peices of gum at lunch for a while. The table below models the relationship between peices of gum sold and cost a ; write an equation that represents the relationship between number of pieces sold , x , to the cost , y. b ; how many pieces of gum would a student be able to purchase for $10 ?

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

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.