Bricks are stacked according to the pattern shown below. Each row contains one more brick than the row above it.
I
Part A
Determine a quadratic function to model the total number of bricks in the stack,
f(x), given a number of rows, X.

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.