Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x2 - 15x + 225
A. (x - 15)2
B. (x + 15)2
C. (x + 15)(x - 15)
D. Prime
Answer: D
Mathematics
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Solve.A polygon with n sides has D diagonals, where D is given by the function D(n) = 
. Find the number of sides n if 77 ? D ? 170.
A. {n|15 ? n ? 20} B. {n|14 ? n ? 20} C. {n|13 ? n ? 21} D. {n|12 ? n ? 21}
Mathematics
For the given functions f and g , find the indicated composition.f(x) = 15x2 - 10x, g(x) = 12x - 5(f?g)(2)
A. 5225 B. 760 C. 4750 D. 475
Mathematics
Write 
in i-form.
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the total value of the given income stream and also find its present value (at the beginning of the given interval) using the given interest rate.
?
, 
, at 6%
?
A. 
,
B. 
,
C. 
,
D. 
,
E. 
,
Mathematics