6x² + 4x / 6x² + 13x + 6 ( please show work )

Which statement about the relative areas of triangle abd and triangle xyz is true

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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%