Solve the problem.A laminated lab bench has 
of plywood, 
of pressed board, and 
of formica. What is the thickness of the lab bench?
A. 5
in.
B. 
in.
C. 1
in.
D. 
in.
Answer: A
Mathematics
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Add.31,763 + 30,327
A. 57,091 B. 72,090 C. 52,090 D. 62,090
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Find the exact value of the expression.sin 20° cos 40° + cos 20° sin 40°
A. 
B. 
C. 
D. 
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Convert as indicated. When necessary, round to the nearest tenth of a degree.23.8° C to degrees Fahrenheit
A. 10.8° F B. 74.8° F C. 45.2° F D. -18.8° F
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