Multiply and simplify.x-9 ? x3 ? x-8
A. x14
B. x20
C. 
D. 
Answer: C
Mathematics
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Find an equation of a parabola satisfying the given conditions.Find the equation of the parabola with vertex at the origin and axis along the x-axis if the parabola passes through the point 
A. x2 = 
y
B. y2 = 
x
C. x2 = 
y
D. y2 = 
x
Mathematics
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z. 5x - y + z = 8 7x + y + z = 6
A. no solution
B. (-z + 3, 4z + 7, z)
C. 
D. 
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Multiply.32 ? 9 ? 4
A. 1141 B. 1152 C. 1142 D. 1162
Mathematics