Aqui hablan español ._.

Yo soy de hay xd

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

How many $20 bills do you need to have to make $280

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%