Final answer:
Brenda and Eric have joint legal custody, which allows them to share decision making responsibilities regarding their children's medical care, education, and activities.
Step-by-step explanation:
In this scenario, Brenda and Eric have recently divorced but still share decision-making responsibilities regarding their children's medical care, education, and activities. This arrangement is known as joint legal custody. Joint legal custody allows both parents to participate in important decisions concerning their children's well-being, even though they are no longer together.