Answer:
0
Step-by-step explanation:
Answer:
720
Step-by-step explanation:
60 minutes in a hour. So add 30 for each 20 minutes so it would be 90 an hour so multiply 90 by 8
20 i think sorry if its wrong not my best subject.
Step-by-step explanation:
(-3+3i) - (8 – 9i)
-3+3i - 8 + 9i
-11+12i