Find the exact value of the expression.sin 225°
A. 
B. - 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.If ?1 and ?2 are supplementary angles and ?1 is 5 times as large as ?2, then what are the measures of the two angles?
A. ?1 = 75°, ?2 = 15° B. Not enough information to solve C. ?1 = 150°, ?2 = 30° D. ?1 = 144°, ?2 = 36°
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Find all rational zeros.f(x) = 12x3 + 49x2 + 3x - 4
A. {- 3, -4, -4}
B. 
C. 
D. {- 3, 4, -4}
Mathematics
Decide whether the problem is an equation or an expression.2(4x + 4) = 8(8x - 9)
A. Equation B. Expression
Mathematics