Answer:
its answer a
Step-by-step explanation:
i really hope this helps!
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Answer:light blue
Step-by-step explanation:
Answer:
Step-by-step explanation:
We have the product of 2 complex numbers
We know that:
Then we substitute these values in the expression
The product of a complex number by its conjugate is always equal to:
Then
Remember that:
So
Finally
A. 168 feet
b. 1 yard = 3 feet
168*3=504 so, 168 feet =504 yards
c. 504 yards*$15=7560
d. $7560