Which functions are decreasing? select all answers that are correct. pls i need look up the addresses and it will take you to the pictures for each one. they are different so look at them all! a: b: c: d:

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Equation for the calculation double 2 and then add 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.