Answer:
Step-by-step explanation:
Complex numbers identity:
The complex numbers identity is:
Square of the sum:
In this question:
So
Answer:
a) 1st and 2nd
b) 4th one
Step-by-step explanation:
Answer:
40k+45m
Step-by-step explanation:
5(8k)=40k + 5(9m)= 45m
Answer:
39
Step-by-step explanation:
4 quarters x 4 weeks = 16 quarters
16 + 23= 39 quarters