What is the slope of a line that passes through the points (5, 12) and (8, -1)

Will give brainliest what is the value of x? enter your answer in the box.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle