How to find polar coordinates given rectangular coordinates?

What values of c and d make the equation true?

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

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.