For this case we have the following functions:

Equalizing we have:

To solve we factorize, that is, we look for two numbers that when multiplied give a result of 4 and when added together give a result of -4. These numbers are -2 and -2.

Thus, we have:

So, the solution is
Answer:

The first error was made in step 1
The correct quotient should be 31
Explanation: I sent a picture below showing how to do long divison, I was not able to do it on paper, sorry.
I hope this helps!
Answer:
I think that its the amount of water that decreases each day
Step-by-step explanation:
I'm taking the quiz now so we'll see if I'm right.
This question is basically asking what is 6°C - 10°C, which comes out to be -4°C
14. Range=22 Mean= 31.2
15. Range=33 Mean= 88.2
16. Range= 81 Mean= 161.3
To find range you take the smallest number and the largest number and subtract them. To find mean you add all of the totals together and then divide by how many numbers are given.