Aperson who is 5 feet tall is standing 110 feet from the base of a tree, and the tree cast a 120 foot shadow. the person's shadow is 10 feet in length. what is the height of a tree?

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)

What is the sum of the first 8 terms of the geometric series

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?