Sequence: 13.9.5.1.-3. ...
5) is this Arithmetic, Geometric, or Neither?
6) Write and Equation for the Sequence.
7) What is the 15th Term in the Sequence?
5.) this sequence above I arithmetic since it is being subtracted by a constant which is 4. 6.) the equation could be a(n)=13+(n-1)-4 7.) the 15th term of this sequence is -43