Add or subtract as indicated. Then simplify your answer if possible. Leave the answer in terms of sin ? and/or cos ?.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Evaluate the integral.
A. - 
B. 
- 
C. 
D. 
- 
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Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
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Solve.Jeff takes 5 hr longer to build a fence than it takes Bill. When they work together, it takes them 6 hours. How long would it take Bill to do the job alone?
A. 10 hours B. 11 hours C. 12 hours D. 9 hours
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Use a Venn diagram to decide if the statement is true or false.(A ? B) ? C = (A ? C) ? (A ? B) 
A. True B. False
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