What is the simplified version of this expression: -8(-3n+7)-6

Which of the following circles have their centers in the third quadrant? check all that apply.

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.