Carla cut a triangular piece of paper from a larger triangle. The small piece piece has 4cm sides and similar to the larger piece of paper. What was the height of the piece Carla cut from the paper, in centimeters? Round to the nearest tenth.

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.