3. (3 Points) A car covers a distance of 60 km in 30 minutes whereas a train covers a distance of 75 km in 1hr. Find the speed of the car and train in
km/hr. Which one has the fastest speed?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

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.