(section: 2 / paragraph: b / line: 11)
Yes, this is allowed as long as each part is correctly defined.
(section: 3 / paragraph: d / line: 2-3)
No, teams are allowed to use common editing symbols which includes crossing out. If the Event Supervisor thinks that there is another meaning to the crossing out such as a drawing, diagram, or code, this will be considered an infraction.