25 pts for each answer
What is

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

What is the standard form of -5x^2+2x^4-11+x^3+3x

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.