In exercising the above-mentioned power, the Board of Adjustment may, in conformity with the provisions of c. 291, P.L. 1975, or amendments thereto or subsequent statutes applying, reverse or affirm, wholly or partly, or modify the order, requirement, decision or determination appealed from and make such other requirement, decision or determination as ought to be made, and to that end have all the powers of the administrative officer from whom the appeal was taken.