Charlotte took a math test. There were 15 questions of which she answered 3 incorrectly. At this rate, how many questions should Charlotte expect to answer incorrectly if she answers a total of 135 questions? A.
45

B.
27

C.
9

D.
5

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.

How can constraints be used to model a real-world situation?

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?