Answer:

Step-by-step explanation:
is given as the nth term of a sequence.
We want to find
, which means we find the 7th term of the sequence.
Here, we simply substitute "7" into "n" of the formula given for
to find the value of the 7th term of the sequence.
We show this below:

So the 7th term is "-15"
Good luck to you! Ask if you have any questions.
Answer:
C. 60°
Step-by-step explanation:
by definition, every single interior angle of an equilateral triangle is always 60°
The restrictions are x cannot equal -3,-4, or 1.