8. 3 = q/11

9. N/-2 = -15

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Polynomial that can be factored as (3x-4)(3x+4)

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?