What are the coordinates of the point (2, −3) after a counterclockwise rotation of 90° about the origin?

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Solve the equation for b: a= (1/2)(b)(h)