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
.
I qould say the answer is b. 59.
Step-by-step explanation:
4x - 2y = 8
y = -2
4x -2(-2) = 8
4x + 4 = 8
4x = 4
x = 1
Diagonal of a square is √2a
so,
√2 a = 12
a= 12/√2
and.. perimeter of a square is 4a
so,
peri = 4*12/√2
= 48/√2
=33.94cm