Find the exact area of the surface obtained by rotating the given curve about the x-axis.
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Mathematics
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Simplify the expression.
A. 58 B. 20 C. 2 D. 29
Mathematics
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.x = -7
A. x-intercept: (-7, 0), m: - 
B. x-intercept: (0, -7), m: 0
C. x-intercept: (0, 0), m: -7
D. x-intercept: (-7, 0), m: undefined
Mathematics
Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find sec ?.
A. sec ? = 
B. sec ? = 
C. sec ? = 
D. sec ? = 
Mathematics