Find the equation of the sphere of radius 5 that lies above the xy-plane that just touches the xy-plane at the point (4, −6, 0)

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 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.