Solve.A deep-sea diver dives from the surface to 82 feet below the surface. She then dives down 15 more feet. Find the diver's depth.

A. 100 feet below the surface
B. 65 feet below the surface
C. 97 feet below the surface
D. 67 feet below the surface


Answer: C

Mathematics

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Solve the equation.Solve 2 tan ? - 4 = 9 for ?, where ? is an acute angle. Approximate ? to the nearest tenth of a degree.

A. 81.3° B. 84.8° C. 42.8° D. 68.2°

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Find the exact value of the expression using a sum or difference identity.sin 

A. - 
B.
C.
D. - 

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