There are 3 blue marbles, 4 red marbles, and 5 yellow marbles in a bag. Julie pulls one marble out at a time and does not replace it. What is the probability that the first two marbles she pulls from the bag are blue?

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.