Maths

how do u do this btw it's 3 marks

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.

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.