Explain this to me please.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

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.