If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 23.24 centimeters, ? = 5.8 radians, s = ?
A. 135.8 cm
B. 133.8 cm
C. 134.8 cm
D. 136.8 cm
Answer: C
Mathematics
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Plot the point whose polar coordinates are given.(2, -5?/4)
A. 
B. 
C. 
D. 
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Use identities to simplify the expression.
+ sec w cos w
A. 1 B. csc2 w C. tan2 w D. sec2 w
Mathematics
Find the surface area of the figure. Use 3.14 as an approximation for ?. Round your result to the nearest tenth.A sphere with r = 4 cm
A. 200.8 cm2 B. 267.9 cm2 C. 50.2 cm2 D. 67.0 cm2
Mathematics
Solve the problem.An elliptical riding path is to be built on a rectangular piece of property that measures 10 mi by 6 mi. Find an equation for the ellipse if the path is to touch the center of the property line on all 4 sides
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics