How do i find the ratio of 153 to 53

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

What is the frequency of the sinusoidal graph?

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