Aden buys a ticket to the museum. his ticket cost 7.75 he pays with two 5 dollar bills. how much change should he get back

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.

Can someone answer this question for me

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd