How many real solutions are there to the equation x^2-7x+12=0

Yo need asap pls ! markin da brainiest too !

Which of these would have been most likely to have been a carpetbagger during the reconstruction era? a) a new york businessman who relocated to mississippi b) a former slave who was able to buy land in birmingham c) a carolina-born politician who supported the democratic d) a former confederate officer who owned a farm in memphis eliminate

If the probability of an event happening is 65% then the probability this event does not occur?