Matt uses a compass and straightedge to construct parallel lines. annie uses technology to construct parallel lines. in your own words, describe how matt's construction steps will be different from annie's construction steps.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

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.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?