Anumber increased by 7, then multiplied by 5

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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%

If rt is greater than ba, which statement must be true ?