Question

please help thanks very much

Answer 1

1st pic

answer
D.  √ab
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y /3 = 9/y
y^2 = 27
y = 3√3

x^2 = (3√3)^2 +9^2
x^2 = 27 + 81
x^2 = 108
x = 6√3

x = 6√3 and y = 3√3

answer is A,
x = 6√3 and y = 3√3

Answer 2

Hey there,

Your first answer for the first question would be D.  √ab

Your correct answer to the 2nd question would be x = 6√3 and y = 3√3

~Jurgen