Question

cɦɑɳgiɳg ɑctiѵɛ iɳtѳ pɑรรiѵɛ :1)yѳu ɑtɛ tɦɑt cɑkɛ tɦɑt ɱy ɱѳtɦɛʀ ʆɛԲt Բѳʀ me

Answer 1

Heyy!
 Active voice - yѳu ɑtɛ tɦɑt cɑkɛ tɦɑt ɱy ɱѳtɦɛʀ ʆɛԲt Բѳʀ me
Passive voice-That cake was ate by you that was left for me by my mother 

Answer 2

Hey ya!

Here's your required answer.

Passive Voice : That cake was ate by you which was left for me by my​ mother.

:)