(add. write your answer as a fraction, as a whole or as a mixed number) PLEASE HELP . WILL GIVE BRAINLIEST !

Is a positive integer raised to a negative power always positive

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

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.