Simplify the following, then answer the question. (a) If 2:3 equals, then a = (b) If equals yb, then b = (c) If 3/25 25 equals xay, then a= and b = (d) If (a8 x 6-3)4 x (a-262)3 equals axby, then x = 4 and y = (e) If 4/(2x)-3 equals axb, then a= and b =