Is x to the power of two plus x plus 1 a linear expression.

What is the least common multiple of 6 and 17?

Solve -.016x= -16. need solving this

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”?