Answer:6.774 gallons
Explanation: They drove 210 miles with 31 miles per gallon. So you divide 220/31=x
X=6.774 gallons
Lets say the 3x3 Matrix is
M = [1 5 2 ]
[1 1 7 ]
[0 -3 7 ]
We apply the Gauss-Jordan elimination method
(Procedure and result shown in the image below)
.75x+4=.75
hope this helps!
Answer: The first place is warmer by .3 degrees Celsius or 32.54 degrees Fahrenheit
Step-by-step explanation:
It's function use the equation with numbers they provided you if they did not use -2,-1,0,1,2 for input and use equation to find output.