Check my answer, its in bold.

what set of reflections would carry parallelogram abcd onto itself?

select one:
a. x-axis, y=x, x-axis, y=x
b. y=x, x-axis, y=x, y-axis
c. y-axis, x-axis, y-axis
d. x-axis, y-axis, y-axis

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%