Answer:
D.) x = -2 <u>+</u> i
Step-by-step explanation:
Work shown in image...
4.5
4 and 1
Supplementary means the angle is 180 degrees so 4 is the only complete obvious 180 degree angle and 1 just cause i know it can't be 5.
Answer:0
let's say the original number is "a".
See the book it will definitely help you