Which lines are parallel? justify your answer.
lines a and b are parallel because their corresponding angles are congruent.
lines a and b are parallel because their same side exterior angles are congruent.
lines e and f are parallel because their corresponding angles are congruent.
lines e and f are parallel because their same side exterior angles are supplementary.

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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.

The table shows the number of hours orlando spent at football practice last week. select the appropriate numbers below to complete the model to find the number of hours orlando spent practicing on tuesday and friday.