Perform the indicated operations and simplify the result so there are no quotients.
+ 
A. -2 tan2?
B. 1 + cot ?
C. sec ? csc ?
D. sin ? tan ?
Answer: C
Mathematics
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Evaluate the expression.
?
?
A. -1 B. 9 C. 8 D. 1 E. 7
Mathematics
Refer to this figure to answer the question. Assume 
and 
are parallel.
Are ?CDA and ?ADE vertical angles?
A. No B. Yes
Mathematics
Determine whether the equation in one variable is linear.6
- 13 = 0
A. linear B. not linear
Mathematics
Solve the problem.If u = 
, v = 
, and w = 
, evaluate (u + v) ? w.
A. -35 B. -37 C. -46 D. -42
Mathematics