The first one is 11 and -11 because when you square them they both get 121
The second one is -7 and -1
I don't know
Step-by-step explanation:
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Answer: 28 years
Step-by-step explanation:
Given
The equation showing the value of the bag after x years is 
If the price of the bag increased by 2.5%, from the equation, we can deduce that
Initial cost of the bag is 25
Double of the initial value is 50
Insert it in the equation

It will take 28 years
To solve this problem you must apply the proccedure shown below:
1. You have that Darren can get to work in

and <span>with the traffic and lights, he can average </span>

<span>.Therefore, you must apply the formula for calculate the distance, which is:
</span>

<span>
Where </span>

<span> is the speed and </span>

<span> is the time.
2. The time in hours is:
</span>

<span>
3. Substituying values, you have:
</span>

<span>
The answer is:</span>
The solution is C. x is less than negative 2.