Which set of items listed can be arranged to transform electrical energy into mechanical energy?

a. motor, iron, wire

b. magnet, wire, iron

c. battery, wire, iron

d. battery, magnet, heat eliminate?

Ok. Anything with batteries is chemical energy so those can be easily eliminated I believe.

your best bet would be a motor. Motors essentially use electromagnetic forces to move an apparatus.

magnet, wire, iron is utilising magnetic energy to generate a current