I know I'm in middle school but i can help you.The answer is 12 your correct.
You just subtract. The standard form of a complex number is a+bi
1 - 4 = -3
-i - (-5i) = 4i
The answer is -3 + 4i
C because i learned it from xxxx xxx
Answer:
61 yeas old
Step-by-step explanation:
180 is dividable by 3 evenly into 60. If you remove 1 from one of the 60's and add it to another 60, the order is now 59,60,61. So the oldest friend is 61 years old
I actually don’t know this sorry..yk(for the points)
