What statement best describes operating systems? a. it's possible for modern computers to function without operating systems b. most operating systems are free or very inexpensive c. operating systems are managed by the computers microprocessor (cpu) d. operating systems manage the computers random access memory (ram)

Python. primary u.s. interstate highways are numbered 1-99. odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. thus, the 405 services the 5, and the 290 services the 90. given a highway number, indicate whether it is a primary or auxiliary highway. if auxiliary, indicate what primary highway it serves. also indicate if the (primary) highway runs north/south or east/west.