10 !
noam chose 3 songs from a pile of 20 songs to play at a piano recital. what is the probability that she chose the entertainer, something doing, and the ragtime dance? (justify)

show your work, and if it is "favorable outcome" formula. answer.

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Solve 2x+y=3 x+y=5 in substitution method