no number can have a positive and a negative at the same time. a negative number has a negative sign and a positive number has a plus sign.
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Answer:
$3.68 underbudget
Step-by-step explanation:

Hope this helped!
Answer:
Step-by-step explanation:
9. disagree;
error: he should have divided 60 by 4, not subtracted. So the correct answer is x = 15.
10. disagree;
error: it should be 3x + 2 = 127 (opposite angles)
so x = 125/3