Can anyone solve these two problems? you so much.

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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

What is the slope of the line shown below?