True or false. an equation sometimes has no solution. explain your answer.

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%

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)