Answer:

1 Scissors - splits a path, graphics frame, or empty text frame at an anchor point or along a segment.

2.Knife Tool - can be used to cut a shape into smaller segments.

3.Delete key - is a key on most computer keyboards which is typically used to delete either the character ahead of or beneath the cursor, or the currently-selected object.

4.Pathfinder - tool makes it easy to create complex shapes because you can manipulate the shape, location, appearance and stacking order of all included shape paths.

5.Shape Modes - alter the final shape by uniting, excluding, intersecting, or eliminating separate layers.

Explanation:

Please correct me if I'm wrong!! :)