Answer: C.)The survey should include all music choices.
Step-by-step explanation: To be honest i'm not sure-.
Answer: Other names for plane C can be plane EFG or plane EBF hope that helps (:
X²-4x+(4/2)²-(4/2)²+13=0
x²-4x+4-4+13=0
-4 should be added
Mark brainliest please
