Distribute and simplify these radicals.
23-2+3)
O 216 +6
o 2115
o30
O 6 +6

How do you answer this question? (step by step)

What are the sotions to the quadratic equation 9x^2=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?