Jos donut express earned 4,378 at a festival by selling chocolate or vanilla donuts for 2 dollars each if they sold 978 chocolate donuts how many vanilla donuts did they sell

978x2=1956
4378-1956=2422
2422/2=1211
They sold 1211 vanilla donuts.

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