Three times the product of four and twelve.
sqrt(-49) / [ (7-2i) - (4+9i) ]
= 7i / (3 - 11i)
= 7i (3+11i) / [ (3 - 11i) (3 + 11i) ]
= (21 i - 77) / (9 + 121) = choice (d), (-77 + 21i) / 130
Answer:
i think it's C
Step-by-step explanation:
process of elimination
Hope this helps my dude! :- )
300 must be subtracted from the product of 25 and 23 to equal 275.
The answer is c.
i hope this helped!