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42 cards is after his dog ate half, so before that would be 42 * 2 = 84.
Even before that, he bought 5 new baseball cards, so add that to the 84 cards and you have 84 + 5 = 89.
Fred started out with 89 baseball cards.
Answer:
The answer is B.
Explanation:
"stressors as drought, famine, and lack of mates."
It's due to more pressure as the sound is searched deep into the waters.<span> The adjustments were done to adapt and make clearer sounds.</span><span>
</span><span>Animal researchers use hydrophone arrays to determine the location of the whale calls. </span><span>Another equipment is the Sound Surveillance system, it is used on the sea floor once during the cold war to detect warships and submarines. But now it is used in researchers to understand animals in the ocean. </span>
Solve the system of equations
