Answer:
The unknown number is -5.
Step-by-step explanation:
-3 + -5 = -8
-8 - -3 = -5
-8 - -5 = -3
When you separate them

Solve them separately:

Remove the denominators:

Find GCF (Greatest Common Factor):
Answer:
C
Step-by-step explanation:
Hope this helps <3
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Answer:
The distance flown
Step-by-step explanation:
The distance flown is dependent on the speed of the plane
9514 1404 393
Answer:
0.28 -0.95i
Step-by-step explanation:
Multiply numerator and denominator by the conjugate of the denominator.

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<em>Additional comment</em>
If the original number is A∠β, the ratio is 1∠(2β), the square of the unit vector in the same direction as the original.