Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.The striking circle in field hockey is a semicircle with a radius of 16.5 yd. Find the area of the semicircle.
A. 427.4 yd2
B. 103.6 yd2
C. 854.9 yd2
D. 3419.5 yd2
Answer: A
Mathematics
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Use reduction formulas to evaluate the integral.
A. - 
csc2 
cot 
- 
csc 
+ C
B. - 
csc2 
cot 
- 
cot 
+ C
C. - 
csc2 
cot 
- 
cot 
+ C
D. - 
csc3 
cot 
+ 
cot 
+ C
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Solve.8 - 
= 
A. 8 B. 2 C. -2 D. 0, 2
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Graph the equation.y = 2x2 - 2x - 7
A. 
B. 
C. 
D. 
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Plot the point in the number plane.
A. 
B. 
C. 
D. 
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