Answer:
The Answer is gonna be 21
EXPLANATION :
8x = 168
x=168/8
x=21
This is the right Answer :3
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Lizzy's new neckalce cost 0.4 cents less than lucy's neckalce that cost 0.29. cents.How many cents did lizzy's neckalce cost.
Let
. Then

lies in the second quadrant, so

So we have

and the fourth roots of
are

where
. In particular, they are




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