Part a: factor 2x^2b^2 + 5xb^2 + 2b^2. show your work.
part b: factor x^2 − 8x + 16. show your work.
part c: factor x^2 − 49. show your work.

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.