What is the inequality of 0.3(0.3x+0.8)< -0.3

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 .

What is the radical expression that is equivalent to the expression 27 1 over 5?

Determine the area of a triangle with (see picture below)