2. Focus is at (0, -11) and the Directrix is y = -1. a) Sketch the parabola.
b) What are the coordinates of the vertex?
What are the coordinates of the vertex

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

How do i do this activity, is appreciated

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?