Solve the system of equations. If there is no solution to the system, give a reason. x + y + z = 6 x - y + 4z = 53x + y + z = 2
A. (3, 5, -2)
B. (-2, 5, 3)
C. (3, -2, 5)
D. (5, -2, 3)
Answer: B
Mathematics
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State the degree and leading coefficient of the polynomial function.f(x) = -4(x + 9)2(x - 9)2
A. Degree: 2; leading coefficient: 1 B. Degree: 2; leading coefficient: -4 C. Degree: 4; leading coefficient: 1 D. Degree: 4; leading coefficient: -4
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Convert the following to degrees and minutes. Round to the nearest minute. ? 93.65° ? _____°_____'
What will be an ideal response?
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Find the mean, variance, and standard deviation for f(x). Round the standard deviation to three decimal places.f(x) = 
A. 
; 
; 0.118
B. 
; 
; 0.250
C. 
; 
; 0.323
D. 
; 
; 0.353
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Graph the ellipse.5x2 + 25y2 = 225 
A. 
B. 
C. 
D. 
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