Um can someone help me on this :)

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

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.

What are the solutions of the following system? y=-2x^2 y=x-2