1)b
2)a
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Answer:
B
Step-by-step explanation:
Answer:

Step-by-step explanation:
A complex number is a number which has some real part and some imaginary part.
Standard form of a complex number is represented as

Where
is the real part,
and
is the imaginary part.
And 
Given complex number:

Hence, the standard form is
.
Answer:
a + 3
Step-by-step explanation:
Kim's age is always three more than Tom's age.
Answer:
21
Step-by-step explanation:
s=2
so, v=2+19
19+2=21