Find the distance between each pair of points. (-7, 6) and (0,5)

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

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”?

How can i differentiate this equation?