Write the augmented matrix for the system. 7x + 5y + 2z = 70 9x + 4y + 2z = 67 5x + 4y + 6z = 63
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Solve the system of equations by graphing:2x - y = 53x + 2y = 4
A. 
B. 
C. 
D. 
Mathematics
Find the requested value.Find sin ? if tan ? = - 
and cos ? = 
.
A. 
B. 
C. - 
D. - 
Mathematics
For a square with apothem of length a, the perimeter equals 4a.
Answer the following statement true (T) or false (F)
Mathematics
Multiply.(x + 5)(x - 5)
A. x2 - 10x - 25 B. x2 - 25 C. x2 - 10 D. x2 + 10x - 25
Mathematics