Find the reference angle for ?. ? = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.
A. 
B. 
C. 
D. 
Mathematics
Solve for x.
= 
A. 48 B. 4 C. 28 D. 336
Mathematics
Find the domain and the range of the relation.
A. domain: (-?, -4] ? [4, ?) range: (-?, ?) B. domain: (-?, -4] ? [4, ?) range: (?, -?) C. domain: (?, -?) range: (-?, -4] ? [4, ?) D. domain: (-?, ?) range: (-?, -4] ? [4, ?)
Mathematics
Determine if the given value of the variable is a solution to the equation.x - 7 = 2; 9
A. solution B. not a solution
Mathematics