Pls help I will give brainliest (1)

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”?

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?

What is y-5=3(x+1) in slope intercept form