Find the Distance Between the Pair of Points $\sqrt { 9 } , 3.000$

Short Answer

Find the distance between the pair of points. Give an exact answer, and where appropriate, an approximation to three
decimal places.
-(-1,9) and (-7,12)
A) $\sqrt { 9 } , 3.000$
B) $\sqrt { 18 } , 4.243$
C) $\sqrt { 90 } , 9.487$
D) $\sqrt { 45 } , 6.708$