Number 15 is c and number 16 is a
Answer:
c. -2 + 34i
Step-by-step explanation:
(2 + 6i)(5 + 2i)
c. -2 + 34i
Answer:
please give more information!
Step-by-step explanation:
Answer:
X=18
Step-by-step explanation:

Here you have to use cross multiplication