Given a bag of 4 red marbles, 5 blue marbles and 6 green marbles, find the probability of drawing a blue marble and then drawing another blue marble without replacing the first
one.

Please help me!!!

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

Plot the intercepts to graph the equation