(2 × 6) + (8 × 4) + 1

What are the exclude value of mn+3m

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”?

What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32