Which event is pending? A World War I B cars that run on solar power cells C the invention of the light bulb D the Great Depression​

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n