Answer:

Step-by-step explanation:
The fact that the figure is a cube means all sides, faces, and corners are equal.



Answer:
1. intersect 2. one solution
Step-by-step explanation:
Im not sure if this is the exact answer it depends on the context of what you're learning
Answer:
6b-4a+13
Step-by-step explanation:
3a-6b+3-7a+10
3+10=13
3a-7a=-4a
6b-4a+13
The accumulated interest of $ 250 for 30 years at 3% is $60.76