Answer:
y is the same as 1y. so 9y + 1y = 10y
Y=30x.
Whatever the number of months is you times by 30, the amount she added each month. If she had started with a certain amount you would add that to the equation. Y is the total money in the account.
Answer: (a)
Step-by-step explanation:
Suppose the original function is 
To shift it 2 units right, replace x by x-2 such that

So, the function becomes 
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Answer:
-4
Step-by-step explanation:
If you convert the words into an equation, you get:
-6+2
-6+2=-4
-4 is your answer.
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