Altitude The angles of elevation to an air plane from two points A and B on level ground are 71° and 88°,respectively .The points A and B are 5.5 miles apart and the airplaine is east if both points...

Hi! I am having some trouble doing a combinations problem, which is stated below:
How many committees of five people can be selected from 8 men and 8 women if the committee must have...

with a height of 68in , Ronald was the shortest president of a particular club in the past century. The club presidents of the past century have a mean height of 71.4 in and a standard deviation of...