12. which equation is an identity? a. 7 - (9x + 3) = -9x - 4 b. 6m - 5 = 7m + 5 - m c. 10p + 6 - p = 12p - 3(p - 2) d. 3y + 2 = 3y - 2 13. which equation has no solution a. 5y + 3 = 5v - 5 b. 2x - 4 = 2x + 7 - x c. 2y + 5 - y = 2y - 3(y - 6) d. 7z + 9 = -7z - 6 14. solve the following equation 2(h-8) - h = h - 16 a. h = b. h = c. infinitely many solutions d. no solution

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

What is the lcm of 16 and 40 ? 24 and 40 ?

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.