PLESASE HELP ME PLEASE AND THANK YOU

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5