<span>In Babylonia, tunnels were used extensively for irrigation; and a brick-lined pedestrian passage some 3,000 feet (900 meters) long was built about 2180 to 2160 BC under the Euphrates River to connect the royal palace with the temple. Hopefully this answer helps
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Answer: Find the probability that the number x of correct answers is fewer than 4 = 0.6087
Step-by-step explanation: Please find the attached files for the solution
ok so F (0) should be equaled to = 0
(-5,2) concave up
Hope this helps :)