Boy is standing on a platform that is 4 feet above the surface of a pool. He jumps into the pool and reaches a depth of 7 feet below the surface. Write an inequality that compares Brian's distance above and below the surface of the pool.

a x b = ab + cd = abcd + efg = abcdefg + hijkl = abcdefghijkl + mnopq = abcdefghijklmnopq + rstuvw = abcdefghijklmnopkrsuvw + xyz = :)

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.