Let a and b be irrational numbers.

1. a divided by b is always, sometimes, or never rational?
2.a + b is always, sometimes, or never rational?
3. (ab)^2 is always, sometimes or never rational?

Find the equation using the point (4,8)

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .