A jar contains 12 large red marbles, 5 small red marbles, 7 large blue marbles, and 6 small blue marbles. If a marble is chosen at random, which of the conditional probabilities is larger, P(reditarge) or P(largelred)?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1

Aski resort is charging $37.50 to rent a snowmobile for 5 hours. at this rate what will be the cost for a family of 5 to rent snowmobiles for 3 hours on the first day of their vacation and 4 hours for on the last day of their vacation