Solve the system of equations.y - 4z=102x + y+ 4z =-165x+ 4z =-17
A. (-1, -2, -3)
B. (-1, 2, -2)
C. (3, 10, -8)
D. (3, -1, -8)
Answer: A
Mathematics
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Factor completely. If the polynomial cannot be factored, say it is prime.7y6 - 39y3 + 20
A. (7y3 - 4)(y3 - 5) B. (7y3 - 5y2 + y - 4)(y3 - 4y2 + y - 5) C. y2(7y2 - 4)(y2 - 5) D. y4(7y - 4)(y - 5)
Mathematics
Subtract.16.822 - 6.294
A. 10.628 B. 10.728 C. 10.528 D. 23.116
Mathematics
Solve the equation by first applying the multiplication property of equality to produce an equivalent equation with integral coefficients.
A. 
B. 
C. 
D. 
E. 
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Write a positive or negative fraction to describe the situation.Over last summer, 
of the teachers' desks were removed from the school.
A. - 
B. - 
C. 
D. 
Mathematics