How to fix flashing folder with question mark on mac without cd?

Kirk found a local community college with a two-year program and he is comparing the cost with that of an out-of-state two-year school. what is the expected total cost for one year at the local community college if kirk lives at home? what is the expected total cost for one year at the out-of-state school if kirk lives on campus?

This device directs network traffic. bridge hub nic repeater router switch

Match the function to its purpose. fast worth 50pts.