Solve the problem.Sue can sew a precut dress in 3 hours. Helen can sew the same dress in 2 hours. If they work together, how long will it take them to complete sewing that dress? Give your answer rounded to one decimal place, if necessary.
A. 1.8 hr
B. 5 hr
C. 1.2 hr
D. 2.5 hr
Answer: C
Mathematics
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Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
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Simplify.
2
A. 
B. 
C. 
D. 
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State the solution set to the inequality by reading the graph.
? 0
y = 
A. [0, 3) ? (3, ?) B. (-?, -3) ? [0, 3) C. (-3, 0] ? (3, ?) D. (-?, -3) ? (-3, 0]
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Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
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