What are the slopes of the two lines?

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

What is negative 3/9 times negative 2/8 ?