Will choose brainliest! Please help! (This is Khan Academy)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?