TEANECK — With a second straight North 1, Group 3 girls basketball title on the line, Teaneck was nearly flawless at the line.The No. 1 seed Highwaywomen made 14-of-16 free throws in the fourth quarter to close out a 59-46 victory over No. 2 Old Tappan in Saturday’s sectional final at Curtis March Court.Senior Erin…