Solve the missing elements for the problem. Use 3.14
problem in photo below

Which expression is rational? 6. , square root two, square root 14, square root 49

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”?

One of the problems with our current election system is? ?