Cell phone company a charges $20 each month plus $0.03 per text. cell phone company b charges $5 each month plus $0.07 per text. write a system of equations to model the situation using c for cost and t for number of texts. how many texts does a person need to send in a month to make the costs from both companies equal?

When the ball has traveled a distance of

Divide. write in the simplest form. 4 1/6 divided by 10

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.