it means the person will mark your amswer as the most intelligent. Usually that phrase is use to beg for help so others help them insteadof just scrolling past.
16.9 fluid ounces approximately equals 0.132 of a gallon.
Also, you did put this in the wrong subject.
41 states set the age of juvenile court jurisdiction at 17. Seven states—Georgia, Louisiana, Michigan, Missouri, South Carolina, Texas and Wisconsin—set the age at 16, and two states—New York and North Carolina—set the age at 15.