Im confused

find the surface area of the cylinder
write the steps and (dont use the π)
worth 12 pts

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

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.

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left