Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges $0.18 for each minute of calls. The second plan has a $23 monthly fee and charges an additional $0.13 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Find two consexutive odd integers such that the sum of their square is 650

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?