The spinner is divided into equal parts. Use a tree diagram to find the probability that the spinner will land on a vowel both times, if the spinner is spun twice.
A. [tex] \frac{4}{9} [/tex] B. [tex] \frac{2}{3} [/tex] C. [tex] \frac{7}{9} [/tex] D. [tex] \frac{1}{3} [/tex]
