Answer:
M=-73/8
Step-by-step explanation:
Add the (a,b) and then add (a,c). Find out the number between these two after being added
<h3>Answer:</h3>

<h3>Explanation:</h3>
The
th term of an arithmetic sequence is explicitly defined as
where
is the first term of the sequence and
is the the common difference.
From the given first five terms of the sequence we can see that the first term is
so
.
The common difference,
, can be calculated by
so we'll find the common difference of the given sequence by letting 
.
Now let's plug everything we know.



Answer: E. 2
Step-by-step explanation:
x²=9
x=±3 ⇔ since it is square (any value after square will always be positive), the value can be negative or positive.
There are 2 solutions: 3 and -3
Hope this helps!! :)