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explain why electromagnetic waves are a reliable way to send signals.

During which stage of engine operation does the piston squeeze the air and fuel mixture that’s trapped in the combustion chamber a. intake b. power c.compression d. exhaust

What is the marginal cost of producing a fifth soccer net? $1.00 $1.50 $2.00 $2.50 the chart says soccer nets per day 1 2 3 4 5 total cost $7 $9 $10 $11 $13 marginal cost $7 $2 $1 ? ?

Which of the following combinations should favor folding rather than faulting