The opposite of 1/4 is -1/4 which is represented by "L" on the number line.
Draw triangles within the ramps and since they are right triangles, use the pythagorean theorem based on what was given and solve
Albert Einstein's general theory of relativity<span> is one of the most elevated achievements of 20th-century physics. Published in 1916, it explains that what we perceive as the force of gravity in fact arises from the curvature of space and time. </span>Einstein <span>proposed that objects such as the sun and the Earth change this geometry. </span>