Decide whether the figure shown is a polyhedron.
A. Polyhedron
B. Not a polyhedron
Answer: A
Mathematics
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Solve the problem.Estimate the answer by rounding each number to the nearest hundred.871 - 224
A. 600 B. 700 C. 647 D. 1100
Mathematics
Find a formula for the nth term of the sequence.2, -2, 2, -2, 2 (2's with alternating signs)
A. an = 2(-1)n+1 B. an = 2(-1)2n-1 C. an = 2(-1)2n+1 D. an = 2(-1)n
Mathematics
Solve the rational equation.
+ 
= 
A. 
B. {6}
C. {-3}
D. {-6}
Mathematics
Evaluate the integral.
A. 
x3 sin 3x + 
x2 cos 3x - 
x sin 3x - 
cos 3x + C
B. 
x3 cos 3x + 
x2 sin 3x - 
x cos 3x - 
sin 3x + C
C. 
x3 sin 3x + 1x2 cos 3x - 2x sin 3x - 2 cos 3x + C
D. 
x3 sin 3x - 
x2 cos 3x + 
x sin 3x + 
cos 3x + C
Mathematics