Answer:
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Step-by-step explanation:
(1+i)(2+i)
2+1i+2i-1
your answer: [1 + 3i]
hope this helps
4.18x.7= 2.926
So $2.93 for .7 meters of fabric
Answer:

Step-by-step explanation:
The area of a cube shaped box is given by :

Where
s is the side length and A is the surface area
We have, s = 9 inches
So,

So, the required area is
.
Answer:
Step-by-step explanation: