Solve 25^2x−1=400 for x. Which answer shows the correct steps? x ≈1.431
x ≈1.861
x ≈4.605
x ≈1.102

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%