Voters across the metro area will decide Tuesday on a smattering of propositions, including marijuana taxes in Arnold, St. Charles and St. John; a Manchester annexation plan; and a proposed tax revenue shift in the Rockwood School District.

Manchesters plan to annex a nearby area and a proposed tax revenue shift in the Rockwood School District are among a smattering of issues to be decided in special elections Tuesday.
Balloting also w…