I think the answer is c can someone check me

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

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”?