Please help me it's a test

B. Box X will move at a constant speed nd box Y will remain at rest.

Explanation:

Box X has a dominant force causing it to move but at constant rate due to the resistance of the other force, while box Y will remain at rest due to equal forces pushing against each other.

Hope this helps!

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.