Amedium sized apple weighs 130 grams. how many apples are there in 1 kilogram?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

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 .