The ratio 2:3ft/ 1:5ft is equivalent to 10:3, true or false

Which of the following is true for the relation f(x)=2x^2+1

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

Rationalize the denominator- 12x/√x-10