Arope dancer was walking on a loose rope tied to the top of two equal posts of
height 9 m. when he was at a certain height above the ground, it was found that the
stretched pieces of the rope made angles 30° and 60° with the horizontal line parallel
to the ground. if the total length of the rope is 20 m, how high was the position of
the rope dancer from the ground?

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 numbers have a sum of -19. one number is x. what expression represents the other number?

Find the circumference of a pizza with a diameter of 10 inches round to the nearest tenth