What are the coordinates of m' after triangle mno is reflected over the y-axis, and rotated 90 degrees clockwise with the origin as the center of rotation?

Step-by-step explanation:

The coordinates of M' after two geometric transformations of reflection across the y axis, and then rotation having (0,0) the center of rotation as doing it clockwise is mapped through this rule:

1) Reflecting across y-axis (check the 1st picture)

2) Rotating 90º having (0,0) as the Center of Rotation.

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step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!