X-6 is the correct answer for now
75% of the numbers lie below or on the third quartile, and the remaining 25% lie on or above it.
Good luck without a picture
ANSWER

EXPLANATION
The general term of the arithmetic sequence is

For the first term,we substitute

to get,


Similarly


The sum of the first n-terms is given by the formula,

where l is the last term.
In this case

We substitute these values to get,



We could have also used the formula,
Answer:
B is the answer.
Step-by-step explanation:
Use power rule: (x^a)^b = x^ab.
