Simplify the expression.4 sin ? cos3 ? - 4 sin3 ? cos ?
A. 4 sin ? cos ?
B. sin 2? cos 2?
C. 4 sin ? cos ? cos 2?
D. sin 4?
Answer: D
Mathematics
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Convert between English and Metric System of Units.
12 ft 6 in. = 
m (Round to the nearest tenth.)
A. 4.2 B. 3.6 C. 3.2 D. 3.8
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Find the eccentricity of the conic section shown in the graph.x = -21
A. e = 1
B. e = 
C. e = 
D. e = 
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Determine whether the given function is even, odd, or neither.f(x) = -2
A. Even B. Odd C. Neither
Mathematics
Provide an appropriate response.True or false? The parametric equations x = t3, y = t3 - 8 will graph a parabola.
A. True B. False
Mathematics