Find the exact value by using a half-number identity.tan 165°
A. -2 - 
B. 2 + 
C. 2 - 
D. -2 + 
Answer: D
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Decide whether the dose is reasonable or unreasonable. If it is unreasonable, indicate whether it is too much or too little.Take 19 milliliters of cough syrup every four hours.
A. Unreasonable, too much B. Reasonable C. Unreasonable, too little
Evaluate the sum.
A. 1 B. 10 C. 11 D. 0
Name one figure that satisfies each set of properties. There may be more than one correct answer
It has four sides. All angles are right angles. Opposite angles are congruent. Diagonals are congruent.
A roofing contractor is fabricating gutters from 
-inch aluminum sheeting. The contractor plans to use an aluminum siding folding press to create the gutter by creasing equal lengths for the sidewalls (see figure).
?
where 
Let x represent the height of the sidewall of the gutter. Write a function A that represents the
cross-sectional area of the gutter.
?
A. 
B. 
C. 
D. 
E. 