Wes is completing a circular round pen for his horse and needs to know the area of the pen. if the diameter of the round pen is 50 feet, what is the area?

The verbal translation for the difference of m and 7 increased by 15

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?

Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]