What is the remainder when P(x) is divided by (x + 1)?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

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Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?