given the line plot below find the mean median mode and range 11,11,12,12,12,13,13,14,15,15,15,16 ,16,17,17,17,17,18,18

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.