They are multiplying by two .
Answer: the answer is 809
Step-by-step explanation:
Answer: the product is = 33+4i
Step-by-step explanation:
21+4i-12i^2
21+4i-12(-1) i^2=-1
21+4i+12
your answer would be 33+4i .
Answer:
9
Step-by-step explanation:
x didn't change in value, y changed by 9
the distance between the two points is 9