Factor out the greatest common factor. Simplify the factors, if possible.5m(3 - m) + 9n(3 - m)
A. m(5 + 9n)(3 - m)
B. (5m - 9n)(3 - m)
C. 5(m + n)(3 - m)
D. (5m + 9n)(3 - m)
Answer: D
Mathematics
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Solve.An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 1230 B. 735 C. 600 D. 1170
Mathematics
Solve the following equation for x.
x - 
x = 7
A. x = -140 B. x = 140 C. x = -70 D. x = 70
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Completely factor the polynomial or state that the polynomial is prime.x2 - 8x + 16
A. (x - 4)2 B. (x + 4)2 C. (x - 4)(x + 4) D. (x - 8)(x + 8)
Mathematics
Given f(x) and g(x), find the indicated composition and evaluate.f(x) = 6x - 6; g(x) = -7x2 - 8x - 7Find (f ? g)(4).
A. -2419 B. -408 C. -912 D. -277
Mathematics