Arithmetic & Geometric Sequences

Is this sequence Arithmetic, Geometric, or Neither? 2, 9, 7, 14, 12, 19, ...

Which sequence is an arithmetic sequence? Options: 3, 6, 2, 7, ...; 3, 6, 12, 24, ...; 3, 6, 10, 15, ...; 3, 7, 11, 15, ...

Which sequence is a geometric sequence with a common ratio of 2? Options: 5, 3, 1, -1, ...; 5, 7, 9, 11, ...; 5, 10, 20, 40, ...; 5, 15, 45, 135, ...

What is the common difference of the arithmetic sequence: -6, -1, 4, 9...?

The next term of the series 11, 8, 5, 2 is...

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

What is the common ratio in this sequence? 96, 48, 24, 12, ...

The first term in an arithmetic sequence is -8 and the common difference is 14. What is the 28th term given the equation a_n = a₁ + d (n - 1)?

7th term in geometric sequence with first term 160 and common ratio 1/2 using a_n = a₁(r)^n-1