Use the graph to write an explicit function to represent the data and determine how much money amy earned in week 5. graph with x axis labeled number of weeks and ranges from zero to seven, y axis labeled money earned, in dollars, and ranges from zero to one hundred eighty with points at one comma five, two comma fifteen, three comma forty five and four comma one hundred thirty five
a. f(n) = 5(3)n + 1; f(5) = 3,645
b. f(n) = 5(3)n; f(5) = 1,215
c. f(n) = 5(3)n − 1; f(5) = 405
d. f(n) = (3)n − 1; f(5) = 81

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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.

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *