Provide an appropriate response.The system of equations below contains three equations. Choose one equation, isolate a variable by rearranging the equation, and substitute that equation into both the other equations. This will result in two equations with only two variables, which can be solved by any means studied thus far.x + y + 2z = 92x - y + z = 3x + 3y - z = 4
A. (1, 2, 3)
B. (2, 5, 1)
C. (1, 3, 6)
D. (-1, 5, 10)
Answer: A
Mathematics
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Find the potential function f for the field F.F = -
i - 
j - 
k
A. f(x, y, z) = - 
+ C
B. f(x, y, z) = 
+ C
C. f(x, y, z) = 
+ C
D. f(x, y, z) = 
+ C
Mathematics
Multiply.7x7(10x7 - 11x4)
A. 70x14 - 77x11 B. -7x14 - 7x11 C. -7x7 D. 70x14 - 11x4
Mathematics
Solve the problem.The diagram shows the roads connecting four cities. Write a matrix to represent the number of routes between each pair of cities without passing through another city.WY
XZ
A. 
B. 
C. 
D. 
Mathematics
Find the sum or difference.
- 
A. 
B. 7
C. 
D. 
Mathematics