Which of the following expressions are examples of either the sum or the difference of cubes? Mark all that are an example of the sum of cubes OR the difference of cubes.

A (6+5) (62 +56 +25)
B (u +3) (u? – 3u +9)
C (d – 6) (d? – 120 + 36)
D (h+4) (h– 4h + 16)
E (a – 10) (a? + 10a + 100)
F (x – 11) (x2 + 11x + 121)

PLEASE HELPP

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.