I have a collection of pennies that can be arranged in piles that each contain exactly 9 pennies. My pennies can also be arranged in piles that each contain exactly 10 pennies, exactly 11 pennies, and exactly 12 pennies. What is the least number of pennies that can be in my collection? math

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

What is the result of the following division?

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.