Answer:
Step-by-step explanation:
Complex numbers are the numbers represented by the expression = a + bi
Here a = real part of the number
bi = imaginary part
a and b are the real numbers.

[Since,
]

Therefore, its a non real complex number.
2 -
= 
= 
=
This number is a Non real complex number.

= 18i
It's a non real complex number.
3 + 2i
It's a non real complex number.
-289
It's a purely real number.

= 4 + 32
= 36
It's a purely real number.
B and C are the same thing and they would be the two representations of the conversion that shows 12 inches is equivalent to 1 foot, so B and C are your answers
Answer:
Step-by-step explanation:
sec= x
cross multiply
60 mb x 2
120 mb/29 sec
Answer: 1 1/4
Step-by-step explanation: