A mountain is 13,915 feet above sea level, and a valley is 161 foet below sea level. What is the difference in elevation between the mountain and the valley?

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?