what’s the equation ? (2,-2) ( 4,1)

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Can any one me with the answers to these questions asap?