Factor the polynomial as the sum or difference of two cubes.729x3 + 1000
A. (9x - 10)(81x2 + 90x + 100)
B. (9x + 10)(81x2 - 90x + 100)
C. (729x + 10)(x2 - 90x + 100)
D. (9x + 10)(81x2 + 100)
Answer: B
Mathematics
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Graph the equation.x2 + (y - 1)2 = 4
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the function.y = 
A. [-?, 20]
B. (-?, ?)
C. all real numbers except 20
D. (
, ?)
Mathematics
Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.2x + 5y + z = -263x - 3y - z = 213x + y + 3z = -11
A. (-3, -5, 1) B. no solution C. (1, -5, -3) D. (1, -3, -5)
Mathematics
Perform the indicated operation.-2.1 + (-7.7)
A. 9.8 B. 5.6 C. -9.8 D. -5.6
Mathematics