Is the picture clear...i reallly need answers

Precalculus question, image attached.

If a line is defined by the equation y = 5x + 2, what is the slope?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?