Find the value of each variable. If your answer is not an integer, write it in simplest radical form with the denominator rationalized

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120