A yard is a measurement of length, width, height, and distance. A pound is a measurement of mass, or the amount of matter in an object. There is no direct correlation between the two, and hence no conversion is possible.
I always go to an online calculator to work these kinds of problems, see related link. Otherwise, use the conversion 1 meter = 1.0936132983 yard (from the calculator).
This question cannot be answered sensibly. A square yard is a measure of area, with dimensions [L2]. A linear foot is a measure of distance, with dimensions [L]. Basic dimensional analysis teaches...