I need help ASAP this is trigonometry review and I only need to do the circled ones!!

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y

Which number produces an irrational number multiplied by 1/3