Answer:
There is one way, 5 groups of 2.
Step-by-step explanation:
If there is 10 people and there has to be 5 pairs, divide 10 by 5. this is 2. This is the only way that it can be split evenly.
Hey Ive taken this assesment. The answer is 55
Answer:

Step-by-step explanation:
we know that
To find the conjugate complex of a complex number, simply change the sign of the imaginary part of the complex number
In this problem we have

so
the complex conjugate is equal to

Answer:
X=±8
Step-by-step explanation:
x²=64
x²=8²
X=±✓8²
X=±8