Factor the expression completely, if possible.64 - z3
A. (4 - z)(16 + 4z + z2)
B. (4 + z)(16 - 4z + z2)
C. (4 - z)(16 + z2)
D. (4 - z)(16 - 4z + z2)
Answer: A
Mathematics
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A. 1 - a2
B. 
C. 1
D. 
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Solve the system of equations by substitution.
A. (7, 0) B. (0, -7) C. (1, -8) D. no solution
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Find decimal notation, round as indicated.
Round to the nearest hundredth.
A. -0.67 B. -0.88 C. -0.87 D. -0.84
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Find fraction notation for the ratio. You need not simplify.In the rectangle shown below, what is the ratio of length to width? of width to length?
A. 
; 
B. 
; 
C. 
; 
D. 
; 
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