Katie practiced the flute for 45 minutes. then, she ate a snack for 15 minutes. next, she watched televison for 30 minutes, until 6: 00 p. m. at what time did katie start practicing the flute?

Shape a is congruent to shape , as shown by a reflection across the y-axis and then a translation down units. shape b is congruent to shape , as shown by a reflection across the y-axis and then a translation down units.