Answer:
a if it in that order, b if it in the other order and c and d does not make sense
Step-by-step explanation:
Your answer will be 4,605,000
I think that -(3+9i) hope so it will help
Answer:

Step-by-step explanation:
We have the expression:

To solve this equation we must factor:
1.- Take common factor x.

2.- Evaluate the expressions to know when they are equal to 0.
or 
or 
3.- The solutions are:

Answer:
3, 7.5, 12, 16.5
Step-by-step explanation:
Tn = a + (n-1)d
a = 3 and d = 1.5×3 = 4.5
T2 = a + d = 3 + 4.5 = 7.5
T3 = a + 2d = 3 + 2(4.5) = 12
T4 = a + 3d = 3 + 3(4.5) = 16.5
Hope its correct and have a great day :)