Answer:
(7-4i)+(-2+5i) = 5 + i
Answer = 5 + i
Step-by-step explanation:
Group the real part and the imaginary part of the complex number
( 7 - 4i ) + (-2 + 5i )
= ( 7 - 2 ) + ( -4 + 5 ) i
Refine = 5 + i
Answer:
2
Step-by-step explanation:
count up 2 count right 1, 2/1
2/1 = 2
The invest could probably be maybe 8% for a question
B should be the only correct answer.