Determine Whether the Sequence Is Geometric $9,15,21,27, \ldots$ A)9
B)15
C) $\frac{5}{2}$

Multiple Choice

Determine whether the sequence is geometric. If so, find the common ratio. $9,15,21,27, \ldots$

A) 9
B) 15
C) $\frac{5}{2}$
D) 6
E) not geometric