The data set shows the fuel efficiencies, in miles per gallon, of the vehicles featured in a car-buying guide. 26 31 40 28 19 23 35 38 43 46 28 30 a. what is the five-number summary of the data set? b. what is the range of the data set? show your work. c. what is the interquartile range (iqr) of the data set? show your work.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%