Hi I really need help with this question(It's my last one on this quiz)PLEASE HELP) 20 POINTS!!! Darius uses the polynomial identity (x-y)^2=x^2-2xy+y^2 to show that 9^2=81
what values can Darius use for x and y?
A) x=81 and y=0
B)x=3 and y=6
C)x=11 and y=2
D)x=9 and y=81

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.