Find the value of d2y/dx2 at the point defined by the given value of t.x = tan t, y = 7 sec t, t = 
A. - 
B. 7
C. 
D. - 
Answer: A
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Let triangle ABC have standard labeling. Given the following angles and sides, decide if solving the triangle results in the ambiguous case.?, a, and c
A. Yes B. No
Solve.143 + y = 868
A. 725 B. 1011 C. 723 D. 124,124
Use the tautology 
to write statement in an equivalent form.
?
We will not visit New York or visit the Statue of Liberty.
?
A. If we visit New York, then we visit the Statue of Liberty. B. If we visit New York, then we do not visit the Statue of Liberty. C. If we do not visit New York, then we do not visit the Statue of Liberty. D. If we do not visit New York, then we visit the Statue of Liberty. E. none of these.
Solve the problem.The height of a box is 3 inches. The length is three inches more than the width. Find the width if the volume is 210 cubic inches.
A. 7 in. B. 70 in. C. 3 in. D. 10 in.