Q1
Answer:

Step-by-step explanation:

explanation for second step:
you divide each side by 3 to get rid of the '3' in '3x'
Answer:
200 ounces
Step-by-step explanation:
200 ounces. because each pound has 16 ounces and 12.5 pounds has 200 ounces
Answer:
the explanation is in the picture
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D=2r so the diameter is 10.4ft. Multiple 10.4ft by 3.14 to get the answer. The answer is 32.656