Since this can’t be factored easily, you have to use synthetic division. This makes the answer x+4+(-1/x+5)
72.22 I think I’m sorry if I’m wrong
Answer:
279x
Step-by-step explanation:
Arrange in ascending order:-
6 7 11 13 14 15 15 19 21
median = 14
lower quartile = mean of 7 and 11 = 9
upper quatile = mean of 15 and 19 = 17
Interquartile range = 17 - 9 = 8
answer is 8