Show the rate of change or slope in the table
Highlight the y intercept in the table and write the equation in slip intercept form
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the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

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step-by-step explanation:

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.