What collateral secures a mortgage?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

9/10 divide by -3/15 as a mixed number

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