E= -7g^4+3g^2h^2-11h^4
F=6g^4-13g^2h^2+8h^4
E+F=
​

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?

Write the rational number in lowest terms 99/-15

To factor 4x2-25, you can first rewrite the expression as: