Determine if the given regular figures form a vertex figure.Two pentagons, two triangles
A. Yes
B. No
Answer: B
Mathematics
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Solve.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the x-axis and the curve y = sin 2x, 0 ? x ? 
about the line x = 
.
A. 
?2
B. 
?2 - ?
C. 
D. 
?
Mathematics
The figure shows angle ? in standard position with its terminal side intersecting the unit circle. Evaluate sin ? and cos ?.
A. sin ? = 
, cos ? = - 
B. sin ? = 
, cos ? = - 
C. sin ? = - 
, cos ? = 
D. sin ? = - 
, cos ? = - 
Mathematics
Simplify the expression.
- 
? 
A. -1
B. - 
C. - 
D. - 
Mathematics
Choose the graph that matches the given function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics