The answer is letter c. If we talked about arithmetic sequence it has the explicit formula: A(n)= a+(n-1)d. So it showed in the choices that letter c has the correct formula for arithmetic sequence. It is the only formula if you are going to find nth term of an arithmetic sequence.
Answer:
-4 and -7
Step-by-step explanation:
Answer:
Step-BYU-step explanation
4z - (-3z) = 4z + 3z = 7z
For every negative number, you multiply that number by two, and then negative one.
For example: -5*2= -10. -10*-1=10.