Python Exercise 7 Write a function ssnChecker that takesa string s and validates if the string is in a valid social security number format (999-99-9999). The function must returna Boolean value (True or False)Sample Inputs = 88467-3444 Sample Output False

When you type the pwd command, you notice that your current location on the linux filesystem is the /usr/local directory. answer the following questions, assuming that your current directory is /usr/local for each question. a. which command could you use to change to the /usr directory using an absolute pathname? b. which command could you use to change to the /usr directory using a relative pathname? c. which command could you use to change to the /usr/local/share/info directory using an absolute pathname? d. which command could you use to change to the /usr/local/share/info directory using a relative pathname? e. which command could you use to change to the /etc directory using an absolute pathname? f. which command could you use to change to the /etc directory using a relative pathname?

What is one reason why indoor air pollution has become an increasing problem.

Guys do you know sh27 cause he hacked me : ( pidgegunderson my old user