Answer: Line DB
Think of the two planes as pages in a book. They are joined by the spine, which is where the two planes intersect. In this case, that intersection is the line DB.
Point D is on both planes R and S. So is point B. Every point on line DB is found on both planes.
Answer: A: $9
Step-by-step explanation: Hope this helps :). Please 5
Here’s the answer. You just plug the y=-2+6 into -4x-6y=7.