2. The Gateway Arch in St. Louis was constructed using the equation for the central curve of the arch, where x and y are measured in meters and |x| < 91.20. Set up an integral for the length of the arch and use your calculator to estimate the length correct to the nearest meter.

What is the distance between (–2 1/2,-3) and (1, –3)?

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

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.