There is exactly one reflection and no rotation that sends the convex quadrilateral abcd onto itself. what shape(s) could quadrilateral abcd be? explain.

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blank #2: explanation

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The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

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%