What is the amount of space between two points on a line. it is always expressed as a nonnegative number

If i have one apple and give you the apple, how many apples do i have?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.