The band boosters collected $2400 from the sale of hamburgers and hotdogs. the amount earned from hamburgers and hotdogs were equal. a hamburger sold for three dollars and a hotdog sold for two dollars how many of each were sold?

What is the solution to the equation 9^(x+1) =27

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.

Determine domain and range, largest open interval, and intervals which function is continuous.