If cap m times open paren 31 comma negative 5 close paren is the midpoint of the line segment whose endpoints are cap A and cap b times open paren 2 comma negative 19 close paren , what are the coordinates of endpoint cap A ?
Answer
A
open paren 16 point 5 comma negative 12 close paren
B
open paren 45 comma 24 close paren
C
open paren 60 comma 9 close paren
D
open paren negative 27 comma negative 33 close paren