Use cos sin and tan and looks up rules of cos sin tan and it will show you the rules and use those methods to plug into your equation
Answer:


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

Rewrite -5 as 
then

Rewrite -25 as 
then

Your answer will be letter c
1cm = 10mm
15.24cm x 10 = 152.4mm
Hope this helps!!!
Answer:
7 in
Step-by-step explanation: