A funicular train in the mountains rises 80 feet for every 150 feet it moves along the track. Find the angle of elevation of the track

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.