Regarding the rectus sheath a) [ ] Is adherent to the rectus abdominis muscle both anterior and posterior surfaces b) [ ] It deficient posteriorly from the pubic crest to the umbilicus c) [ ] The posterior sheath is pierced by the branches of the lower five intercostals and subcostal nerves d) [ ] Between its posterior sheath and rectus muscle lies the anastomosis of the epigastric arteries e) [ ] Anterior sheath is formed only by the external oblique above the xiphoid process. f) [ ] Number of tedious intersections are same above and below the umbilicus. g) [ ] Below the arcuate line posterior layer of the rectus sheath is absent. h) [ ] Is fused in the midline to form the line alba