Kevin designs a sprinkler system for his yard. one rotation of the sprinkler waters a circle with an area of 255pie square feet. what is the radius of the circle the rotating sprinkler waters?

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Find the value of the cosine for angle a

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