It is called a consistent dependent system
Answer: 2 per month
8 per four months
Step-by-step explanation:
If you would like to solve the equation b^2 + 9 * b + 18 = 0 for the variable b, you can do this using the following step:
b^2 + 9 * b + 18 = 0
(b + 3) * (b + 6) = 0
Result:
1. solution: b = - 3
2. solution: b = - 6
Answer: B,C,D,E,G
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
We do the opposite.
