What do a kite and a rhombus have in common? each polygon has four congruent sides. each polygon has two pairs of congruent sides. each polygon has two pairs of parallel sides. each polygon has two pairs of congruent sides that are adjacent.

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Which of the following contains a variable?

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%