Which expression fits this description? • The expression is the quotient of two quantities.
• The numerator of the expression is the product of 5 and the sum of u and y.
• The denominator is the product of negative 8 and 2.
5z + y
5(x + y)
-(8 + I)
52 + y
-8+
5(x + y)
-82

Which formula gives the area of a triangle? a=1/2(b+h)

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

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.