There were five meetings of jane's karate class during december and the following chart shows the number of students that attended each class. find the mean and median number of students in each class during december. if necessary, round your mean to the nearest tenth.
week
students
1
18
2
20
3
16
4
14
5
17

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland

Solve the exponential equation for x.