When Margie visited the beach at Key West, she collected 50 seashells. She had 15 smooth shells and 35 shells with ridges. What percent of her shells had ridges?
35
30
70
65

Find the value of the cosine for angle a

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

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.