What are the answers to x and y??​

Which ratio is equivalent to 10: 85

Select the lengths in centimeters that would form a right triangle

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%