100 POINTS PLEASE HELP What are the coordinates of the image of the point (−2, 6) after a clockwise rotation of 90° about the origin?

(−6, −2)

(6, 2)

(2, −6)

3. solve the given inequality and graph the solution on a number line.

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective