Let g(x) = 5x -2 and h(x)= x^2-16
1. (h"composition"g) (-1)
this is the best i can do with explaining this. if anyone could and explain this to me, i would really appreciate it. the composition thing is just an open circle between the two..

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Me on this i beg you on this to answer!