Factor completely. If the polynomial cannot be factored, write "prime."3x5 + 9x4y - 30x3y2
A. (x - 2y)(3x4 + 15xy)
B. (3x2 + 6xy)(x3 - 5y)
C. 3x3(x - 2y)(x + 5y)
D. 3x3(x + 2y)(x - 5y)
Answer: C
Mathematics
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Find v ? u.v = 
and u = 
A. 
B. 
i
C. 
i - 
j
D. 0
Mathematics
Find the foci of the hyperbola.4y2 - 25x2 = 100
A. (0, 
), (0, -
)
B. (
, 0), (-
, 0)
C. (0, 
), (0, -
)
D. (
, 0), (-
, 0)
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Find the nth term of the given infinite series for which 
+ 
+ 
+ 
+ ...
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response. How many 1.5-foot lengths can be cut out of a 14-foot 2×4, ignoring the amount used by the blade of the saw?
A. 21 B. 9 C. 10 D. 18
Mathematics