Answer: Associative property explains that addition and multiplication of numbers are possible regardless of how they are grouped. By grouping we mean the numbers which are given inside the parenthesis (). By grouping we mean the numbers which are given inside the parenthesis ().
Step-by-step explanation:
Answer:

Therefore, Option 1 is correct.
Step-by-step explanation:
We have been given the quadratic equation:

If we compare it will general quadratic equation which is: 
Here, a=5,b=3 and c= -4.
Now, we will use the formula:
And then 
Where,

Therefore, Option 1 is correct.
Answer:
<em>B) </em><em>2 dogs.</em>
<h2><em>40% of 5 = 2</em></h2>
Answer: y2-1/y-4y+4
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Answer & Step-by-step explanation:
n represents our number. So, twice a number would be 2n because twice means multiply by two.
When the problem says 6 less, then it means 6 less than 2n. So, it would look like 2n-6.
FInally, the problem says that all of this equals 17 so 17 would be the result.
So, you answer is 2n-6 = 17. This is answer choice B.