Can i get an answer to this question p. s i cant get this one wrong

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Are the corresponding angles congruent? explain why or why not.

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.