triangle a 90 clockwise with the origin as the center of rotation to create a new figures which rule describe this transformation

(-y, x)

Step-by-step explanation: The original point you're rotating is (x, y). To move it 90 degrees around the origin, you must flip the points and negate the y. A 180 rotation is (-x,-y) and a 270 rotation is (y, -x).

answer: 21$

step-by-step explanation:

$42 / $14 = 3   (ratio 3: 1)

$7 x 3 = $21