Mr. Chen takes his 4 children to a museum. He buys an adult ticket for himself and a youth ticket for each of his children. The cost of an adult ticket is $12.00. The
total cost of all of the tickets is $42.00. What is the cost of each youth ticket?

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

Xis -1/2
y is 35/4.