ANSWER

EXPLANATION
The complex number shown has coordinates (2,-2)
or

The modulus is


The argument is


The polar form is

The first option is correct.
1) 1
2) PA: between 2 and 3.
2) PB: Unsure about it.
Answer:
14.4 to nearest tenth.
Step-by-step explanation:
By the Pythagoras theorem:-
Distance = √ [ (y2-y1)^2 + (x2-x1)^2 ] where the 2 points are (x1,y1) and (x2,y2)
= √ [ (16-4)^2 + (9-1)^2]
= √ 208
= 14.4
Answer:
$5829.57
Step-by-step explanation:
Annually compounding interest formula: 
5000(1+.0525)^3
5829.567266
which rounds to: 5829.57
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