**show your work please

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

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1