Answer:
A
Step-by-step explanation:
Noting that i² = - 1
Given
(7 - 3i)(8 + 4i) ← expand factors using FOIL
= 56 + 28i - 24i - 12i²
= 56 + 4i - 12(- 1)
= 56 + 4i + 12
= 68 + 4i → A
Answer:
if -11i^3 =-11^3 and -11i^3=11i then -11^3=11i
if I'm wrong pls correct me but I'm pretty sure this is
216 inches (12×18) is ur answer
Answer:
2x(5+13)
Step-by-step explanation:
add then multiply by 2
