Shelly biked 21 miles in 4 hours what is shelly's average speed in miles per hour at the same rate how many hours will it take shelly to bike 42 miles

Check the internet ok that will

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