Log5 (x squared - 9) = 0

Convert 2000 swiss francs to dutch guilders

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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%