What is i do not understand it so tell me what it is -6=-6(9+n)

Me asap! what is the slope of this line? enter your answer in the box.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week