The equation x=-7ysquared describes a parabola. which way does the parabola open?

Simplify the expression. -2/5(10+15m-20n)

Find the value of x for which line a is parallel to line b

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.