ricardo martinez works part-time as a firefighter. he is married and earns $659 a week. he claims three allowances. use your FIT table, how much is withheld for federal income tax?

Ineed to know the answer to this algebra question.

Hi if you want to play a sports related kahoot go to kahoot.it and type in this code: 659344

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?