(will pick brainliest and will report if you dont answer it right) The Great Pyramid of Cheops in Giza, Egypt, was completed around 2566 B. C.E. Its original height was 482 feet. Each face of the pyramid forms a 420 angle with ground. To the nearest foot, how long is the base of the pyramid. Show your work

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.