Water freezes at 32 degree Fahrenheit.
Step-by-step explanation:
Given,
Formula for Celsius to Fahrenheit = 
x = Celsius temperature
Boiling point of water = 0°C
We will put x=0
0°C = 
0°C = 0+32
0°C = 32 degree Fahrenheit
Water freezes at 32 degree Fahrenheit.
Keywords: temperature, addition
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Answer:
Choice C.
Step-by-step explanation:
Choice C has the most numbers close together, and not far away like an outlier.
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Let's take two different equations.
4x+2y=8
7x+3y=-10
(I just came up with these on the spot, so the answers might be strange but i should be able to explain nevertheless)
First, let's solve the first equation for "y".
4x+2y=8
-4x -4x
2y=8-4x
/2
y=4-2x
Now that we have "y", let's plug it into the second equation.
7x+3(4-2x)=-10
7x+12-6x=-10
x+12=-10
-12 -12
x=-22
Alright, now we have "x" definitively, let's plug it in to find "y".
4(-22)+2y=8
-88+2y=8
+88 +88
2y=96
/2
y=48
So from this example you can see. You solve one variable in terms of another (solve y as being 4-2x), plug it into the second equation to find one variable's value, then plug that variable's value back in again later to get the first variable's value.
It would be 3.5 x 10 to the power of -12.
I think this is correct, but sorry if not.
Hope this helps x
The answer: Add all the numbers given to you. 9+7+6+6= 28. Divide 28 by the number of intervals (the artists) which is 4. 28 divide 4= 7
