A. Check your credit and see if it goes down per each check
B. Contact the company/Check with them
C. Don't ask if you use Credit Karma
Answer:
(a) The system of the equations
has no solution.
(b) The system of the equations
has many solutions 
Step-by-step explanation:
(a) To find the solutions of the following system of equations
you must:
Multiply
by 2:

Subtract the equations

0 = -3 is false, therefore the system of the equations has no solution.
(b) To find the solutions of the system
you must:
Isolate x for 

Substitute
into the second equation

The system has many solutions.
Isolate y for 

Answer:
The rule is "add 5, add 10, add 20" and the rule keeps doubling.