Find the area of each regular polygon. round to the nearest tenth if necessary.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

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%