Luna want to know what proportion of the 7th graders at her school are interested in taking art class. Which is the best group survey to find this information. A:ask all of her classmates in her homeroom who show up for school one day? B:ask every person who is waiting at her bus stop one afternoon. C:ask every 12th person who leaves school one afternoon. roll dice to determine which person to ask first. D: ask all her friends to ask their friends. PLEASE HELP ME!!

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general 11 months ago 6945

Part A: The radius of an indoor fountain at a hotel is π feet. Hotel management wants to build a bench around the outside of the fountain. How long will the bench be?They also want to crate a cover for the fountain. How much material will they need? Round your answers to the nearest hundredth.Part B: An outdoor fountain at the hotel has a radius two and a half times the radius of the indoor fountain. Hotel Management wants to put a short brick wall around the edge of the fountain. How long will the brick wall be? How much longer will it be than the circular bench inside the hotel? Round your answers to the nearest hundredth.

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general 11 months ago 6612

Captain Nadia has a ship, the H.M.S Crimson Lynx. The ship is two furlongs from the dread pirate Tiffany and her merciless band of thieves.If her ship hasn't already been hit, Captain Nadia has probability 1221​ start fraction, 1, divided by, 2, end fraction of hitting the pirate ship. If her ship has been hit, Captain Nadia will always miss.If her ship hasn't already been hit, dread pirate Tiffany has probability 2772​ start fraction, 2, divided by, 7, end fraction of hitting the Captain's ship. If her ship has been hit, dread pirate Tiffany will always miss.If the Captain and the pirate each shoot once, and the Captain shoots first, what is the probability that the Captain misses the pirate ship, but the pirate hits?

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general 11 months ago 8069