Answer:
A. 29i
Step-by-step explanation:
Step 1: Plug in given variables
(2 - 5i)(2 + 5i)i
Step 2: Difference of squares (expand)
(4 - 25i²)i
Step 3: Imaginary numbers rules
(4 - 25(-1))i
Step 4: Combine like terms
(4 + 25)i
(29)i
Your final answer will be 29i
42 boxes of nails at .4 pounds a box would weigh 16.8 pounds.
BANK A:
5,000*0.03*5=750
BANK B:
5,000*0.025*6=750
They are the same
