What is an equation of the line that passes through the points (1, 4) and (-2, -8)?

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?