Simplify.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find fx, fy, and fz.f(x, y, z) = 
A. fx = 
; fy = 
; fz = 
B. fx = - 
; fy = 
; fz = - 
C. fx = - 
; fy = - 
; fz = 
D. fx = 
; fy = - 
; fz = 
Mathematics
Perform the indicated operation.(-9)(-10)(-9)
A. 810 B. -810 C. -819 D. 819
Mathematics
Add.
A. 155 B. 165 C. 218 D. 178
Mathematics
Factor completely. If a polynomial cannot be factored, say it is prime.18y2 + 81y - 45
A. (18y - 9)(y + 5) B. prime C. 9(2y - 1)(y + 5) D. 9(2y + 1)(y - 5)
Mathematics