You and your friend are saving for a vacation. you start with the same amount and save for the same number of weeks. you save $75 per week, and your friend saves $50 per week. when vacation time comes, you have $950, and your friend has $800. how much did you start with, and for how many weeks did you save? a. $500, 6 weeks b. $600, 4 weeks c. $650, 3 weeks d. $700, 2 weeks

21

step-by-step explanation:

21-4

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