A restaurant is hosting a dinner event for a maximum of 95 people. So far, 23 people have registered to attend the event. There
are 12 tables let and each table can seat p people Part A Use the drop-down menus to create an inequality that represents the situation. 95 Part B Use the drop-down menus below to describe the maximum number of people that can be seated at each table, There must be people at each table
Assuming the teacher is not of similar age to the students, their higher age would pull the mean higher than if the teacher were not included, where the median would not be pulled by this extreme value.
Generally speaking, a number coprime to will be a primitive root of if we have , or . In other words, if is of order modulo , then is a primitive root of .
Since none of these numbers has order 19, it follows that 20 does not have any primitive roots.