Factor.x3 + x2y - 25yz2 - 25xz2
A. (x + y)(x + 5z)2
B. (x + y)(x + 5z)(x - 5z)
C. (x + y)(x - y)(x - 5z)
D. (x + y)(x + z)(x - 5)
Answer: B
Mathematics
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Express the number in standard notation.1.11 × 10-4
A. 0.00111 B. -111,000 C. 0.000111 D. 0.0000111
Mathematics
Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (10 sin 
t)i + (10 cos 
t)j + 12tk, 2 ? t ? 4
A. - 
B. 
C. 
D. 
Mathematics
Simplify.2(-2x + 7)
A. -4x + 14 B. -4x - 14 C. x + 14 D. -4x + 7
Mathematics
Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics