16/21 divided by 4/9 is equivalent to 16/21 x 9/4 = 144/84 which reduces to 12/7. So 12/7 is your answer.
Answer:
b
Step-by-step explanation:
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The answer is D, x=12. There's a lot of little math involved but hope it helps!!
Answer:
answer is a cylinder I hope it will help you please follow
