Solve the problem.If cos A = - 
and sin B = 
, with A and B in quadrant II, then find sin(A + B).
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Evaluate the exponential expression. 72
A. 49 B. 128 C. 64 D. 14
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Multiply.(92)(848)
A. 78,016 B. 78,026 C. 78,116 D. 78,006
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Write an algebraic expression for each quantity using the given variable.The second angle of a triangle is triple the first. The third angle of the triangle is 
smaller than the first. Use the letter x.
A. x = first angle; 3x = second angle; 40 - x = third angle B. x = first angle; 3x = second angle; x + 40 = third angle C. x = first angle; x - 40 = second angle; 3x = third angle D. x = first angle; 3x = second angle; x - 40 = third angle
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Graph the polar equation.r cos ? = -4
A. 
B. 
C. 
D. 
Mathematics