41 pts When dealing with Ladder at the construction site: (choose all applicable) Group of answer choices Position ladder at an angle such that the horizontal distance from the top support to the foot of the ladder is 1/4 the working length of the ladder. The side rails must extend at least 3 feet above the upper landing surfacethe ladder must be tied-off and a grab rail provided if the 3-foot extension cannot be achieved. Don't face the ladder when going up or down. MUST use both hands to grab the ladder when going up or down