The school store sells pens for $2.00 and notebooks for $3.00. the equation 2x + 3y = 60 describes the number of pens x and notebooks y that you can buy for $60.00.

what do the x- and y- intercepts stand for?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4