If roy is 4 years older than his younger brother and the product of their ages is 165, how old is roy's younger brother

Roy is 4 years older than his younger brother, Both the ages together are 165. So, I would divide 165 by 2, That gives me 82.5 minus by 4 because he is 4 years younger 72.5. He is 72 years old!

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Answercounterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axisexplanationthe given figure has verticesrecall that for counterclockwise rotation about the origin, when we rotate figure pqrs counterclockwise through an angle of 180° about the origin, the coordinates will becomenext, we reflect in the y-axis by negating the x-coordinates of the resulting figure to obtain,therefore the correct answer is c