Answer:


Step-by-step explanation:
i is an imaginary unit, this means

Rewrite -5 as 
then

Rewrite -25 as 
then

Answer:
300
Step-by-step explanation:
17/100x=51
x=300
17/100(300)=51
Answer:
Step-by-step explanation:
To solve for degrees: (180°/π) * radians
To solve for radians: (π/180°) * degrees
I’m sorry I don’t know but I need the points:(