Identify the type of sequence and write the recursive rule. 1,6,36,216

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

X+y=-4 x-y=2 use elimination with adding and subtraction

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?