Quadrilateral A'B'C'D'is a reflection of quadrilateral ABCD over the y-axis. What is the length of C'D'?
A. 7 units
B. 6 units
C. 3 units
D. 4 units

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.