ASAP NEED HELP PLEASE

What is the total surface area of this square pyramid?

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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.