8 1/4 pounds converted to ounces is 132 ounces. 1 pound is 16 ounces, so all you have to do is multiply the number of pounds by 16.
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sorry if this doesn't help
When you multiply powers with the same base, you sum the exponents:

So, in this case, you have

Answer:
-4m
Step-by-step explanation:
=11m-7m-(2m+6m)
=11m-7m-8m
=-4m
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4/-3. rise of 4 over 3 to the left
The same as last time
Step-by-step explanation: