Between which set of ordered pairs is the distance the least? (-1, -5) and (-1, -9)

(4, -7) and (2, -7)

(-5, 2) and (-2, 2)

(1, 9) and (6, 9)

Which number produces a rationale number when multiplied by 1/5

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Find the nonpermissible replacement for binthis expression.b2/5b +5