Solve the system of equations using Cramer's rule.0.7x + 0.09y = 212x - y = -600
A. (800, 200)
B. (200, 800)
C. (200, -800)
D. (2, 8)
Answer: B
Mathematics
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Find the transform of the given function by use of a table.f 
= cos 5t - sin 5t
A. F 
= 
B. F 
= 
C. F 
= 
D. F 
= 
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Graph the function.y = 
cot 
A. 
B. 
C. 
D. 
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Graph the linear inequality.x + y < -6
A. 
B. 
C. 
D. 
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Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.x - 4i = 5 + yi
A. x = -5, y = -1 B. x = 5, y = 4 C. x = -5, y = 9 D. x = 5, y = -4
Mathematics