Simplify.
A. 
B. 4
C. 
D. 
Answer: A
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Write the negation of the conditional. Use the fact that the negation of p ? q is p ? ~q.If it is raining, you take your rain coat.
A. If it is raining, you do not take your rain coat. B. It is not raining and you do not take your rain coat. C. It is raining and you do not take your rain coat. D. It is not raining and you take your rain coat.
Solve the problem. Round your answer, if appropriate.The volume of a sphere is increasing at a rate of 6 cm3/sec. Find the rate of change of its surface area when its volume is 
cm3. (Do not round your answer.)
A. 
cm2/sec
B. 12? cm2/sec
C. 3 cm2/sec
D. 2 cm2/sec
Find all solutions to the equation. Express your answer in degrees.sec2 t + 2 tan t = 0
A. 135° + 180°? n B. 45° + 180°? n C. 45° + 360°? n D. 135° + 90°? n
Simplify.
A. 
B. 
C. 
D. 