Find the midpoint between point A with coordinates (4, 2, 1) to point B with coordinates (9, 5, 2). a open paren negative 5 over 2 comma three halves comma negative 1 over 2 close paren b open paren five halves comma negative 3 over 2 comma three halves close paren c open paren thirteen halves comma seven halves comma negative 3 over 2 close paren d open paren negative 13 over 2 comma negative 7 over 2 comma three halves close paren