Can u answer everything please

Polynomial that can be factored as (3x-4)(3x+4)

Which table shows a proportional relationship between miles traveled and gas used?

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%