What is 100 minus 3/4? Explain your answer

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?