Decide whether or not the ordered pair is a solution of the system.(3, 4)x + y = 1x - y = -7
A. Yes
B. No
Answer: B
Mathematics
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Solve the equation ?x²+5x = x+5
What will be an ideal response?
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Use the fundamental identities to simplify the expression.cos ? - cos ? sin2?
A. cos3? B. sin ? C. tan2? D. sec2?
Mathematics
Simplify the expression.
A. - 
B. 
C. 
D. 
Mathematics
Solve the system of equations.
A. x = 4, y = -2, z = -1; (4, -2, -1) B. x = 4, y = -1, z = -2; (4, -1, -2) C. x = -2, y = -1, z = 4; (-2, -1, 4) D. inconsistent
Mathematics