Answer:
I dont really do this kind of work but i think its A
Step-by-step explanation:
-9 duh
It says the first week look at the numbers and then the top row with numbers. the only one that matches up is -9
Answer:

Step-by-step explanation:

Let's solve the first equation for either x or y. I'll do it for x.

Begin by subtracting 5y.

Now divide by 5.

Simplify:

Now substitute x in the second equation for this value.

Distribute;

Add 6

Combine like terms;

Divide by -10.

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Take this value of y and replace it in the first equation to find the value of x.

3:2
the greatest common factor amongst 9 and 6 is 3
I believe both answers are Shannon.