This an example of students' work.

Will gve pints stars and brainliest

∆red ≅ ∆ by rule will give brainiest if possible

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?