In the first few it says to estimate the percent and in the bottom few it says find the excact percent but i don't know how to find the percent.

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

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”?

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value