Cormac is making 29 phone calls each week as part of a fundraiser. last week, he made 10 phone calls on weekdays. which equation could be used to find x, the number of phone calls he made last week on weekend days?

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.