3. which of the following phase types will make a sound louder? in-phase, inverted phase, or partial phase angle waves?

In-phase types of waves are your answer.

I'm currently in an audio engineering class, so that's the source of my information.

answer(1) opinion of the reporting officer;

answer; (2)all forms of survelliance;

answer; (b) a thief breaks into a vending machine;

i think the answer is a or d