To successfully complete a course in the Lifeguarding program, the participant must do which of the following? Select all that apply.

$\backslash$table$[[\backslash$table$[[$Attend the entire course and actively participate in all course$],[$activities$.]],$Demonstrate competency in all required skills.$],[$Pass the final skills scenarios.,$\backslash$table$[[$Complete the prerequisite swim skills by the last day of the$],[$course$.]]],[\backslash$table$[[$Perform all components of each skill proficiently rather than$],[$just meeting the objective of the skill.$]],\backslash$table$[[$Successfully pass final written exams with a minimum grade$],[$of $80$ percent.$]]]$