Answer:
First is < 2nd is = 3rd is <
Step-by-step explanation:
Let z=x+iy be a complex number. The distance from this complex number to the origin is

Consider all options:
A. z=2+15i, then 
B. z=17+i, then 
C. z=20-3i, then 
D. z=4-i, then 
Answer: correct choice is D.
Answer:
∠1 = 58°
∠2 = 122°
∠3 = 122°
Step-by-step explanation:
∠1 = 58°
∠2 = ∠3
∠2 = (360 - 58 - 58)/2 = 122°
∠3 = 122°
Answer:
11,340
Step-by-step explanation:
5% = 420 420 x 7 = 2940
2940 + 8400 = 11,340