Quadrilateral abcd is transformed according to the rule (x, y) → (y, –x). which is another way to state the transformation?
r0, 90°
r0, 180°
r0, 270°
r0, 360°

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

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?