Answer:The answer is (C) [tex]\frac{2}{3}+\frac{17}{2}i[/tex]Step-by-step explanation:∵ [tex]\frac{2}{3}+6i+\frac{5}{2}i = \frac{2}{3}+\frac{12}{2}i+\frac{5}{2}i=[/tex] = [tex]\frac{2}{3}+\frac{17}{2}i[/tex]∴ The answer is [tex]\frac{2}{3}+\frac{17}{2}i[/tex] in standard form