In ΔFGH, m∠F = (x - 9) ∘ (x-9) ∘ , m∠G = (3 x + 8) ∘ (3x+8) ∘ , and m∠H = (9 x - 1) ∘ (9x-1) ∘ . What is the value of x?

What is 60% of 30.00 when making a purchase for 30.00

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1435.783 to the nearest cent