2. Error Analysis Noemi wrote, "If 21 - 22. then by the Converse of the Same-Side Interior Angles Postulate, & || m."
Explain the error in Noemi's reasoning.

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?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x