Simplify each complex fraction.
?
?
Assume that no denominators are 0.
?
A. ?
B. 
C. ?
D. ?
Answer: B
Mathematics
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Determine the letters or numbers.Break 110001011001011100100 into groups of seven digits and write as lower case letters.
A. bed B. bad C. arm D. cue
Mathematics
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
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Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Sven can type 32 words per minute. How many words would he type in 
hour (45 minutes)?
A. 43 words B. 1440 words C. 24 words D. 1080 words
Mathematics