What is the constant term in the expression 8xy + 9x2 y − 5x − 2?

−5
−2
8
9

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The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

What is the radius of the cone in the diagram? round your answer to the nearest whole number