42.96 i think i’d the answer

Answer:
^^
Step-by-step explanation:
I just pressed 27/90 on the calculator hahahha
Answer: a^2x^2+9x^2+13x+6a
Step-by-step explanation:
(a^2+9) x^2+ 13x +6a
x^2(a^2+9)+13x+6a
Expand:x^2(a^2+9): a^2 x^2+9^2
x^2 a^2 +x^2*9
a^2 x^2+9x^2
a^2 x^2+9x^2+13x+6a
LCD would be 18
8/9 = 16/18
2/3 = 12/18
1/9 = 2/18
Half of pi/3 means 1/2 times pi/3=pi/6