Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find cos(2?).
A. 
B. - 
C. - 
D. 
Answer: B
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Find a 95% confidence interval for the true population proportion.In a survey of 352 adults, 55% said that they favored the proposed environmental laws.
A. 52.3% to 57.7% B. 49.7% to 60.3% C. 54.7% to 55.3% D. 55% to 60.3%
Provide an appropriate response.Evaluate the following: (-2)6 - (3)5 - 
Fill in the blank(s) with the appropriate word(s).
Identify the property that allows you to conclude that the triangles are congruent. Or, if such a conclusion cannot be made, answer "None."
A. ASA B. SSS C. SAS D. None
Solve the problem. Use ? ? 3.14.The outside of a water storage tank is in the shape of a sphere. Find the volume of the tank if its radius is 18.5 feet. Round your answer to the nearest hundredth.
A. V ? 1074.67 ft3 B. V ? 26,508.4 ft3 C. V ? 19,881.3 ft3 D. V ? 1432.89 ft3