Debra, dave, and sally meet once a week to work on their math. what kind of communication are they practicing? intrapersonal communication mass communication public communication interpersonal communication small group communication

The answer is: small group communication

Small group communication refers to a form of interaction that being done among several people that connected by common goals or situations.

To be considered as a small group communication, the interactions need to be done by at least three people and being done in order to improve relations or to arrange social activities between members of the group.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )