If AE = 35, CE = 25 and AB = 30 what is the length of DE

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

How do i find the missing angle measure in a polygon