Find the magnitude of the vector.
(-2,-7)

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd