Add or subtract as indicated.-18 + (-9)
A. -9
B. 9
C. -27
D. 27
Answer: C
Mathematics
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Evaluate the integral.
A. 
B. 
C. 1
D. Diverges
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Find the y-intercept of the polynomial function.f(x) = -x2(x + 6)(x2 - 1)
A. 6 B. -6 C. -1 D. 0
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Solve the problem.In how many ways can 4 people be chosen and arranged in a straight line, if there are 10 people from whom to choose?
A. 302,400 B. 5040 C. 40 D. 151,200
Mathematics