You choose a marble from a bag containing 3 red marbles, 3 white marbles, and 5 blue marbles. you return the first marble to the bag and then choose again. find p(red then blue). a. 15 out of 121. b. 15 out of 11. c. 8 out of 11. d. 6 out of 11.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.