Two observers are 200 feet apart, in line with a tree containing a bird's nest. The angles of elevation to the bird's nest are 30° and 60°. How far is each observer from the base of the tree?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.