Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Answer: A
Mathematics
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Write the percentage as a decimal number.4.5%
A. 0.45 B. 45.0 C. 4.5 D. 0.045
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Write the Hindu-Arabic numeral for the given Egyptian numeral.
A. 3670 B. 367 C. 3067 D. 3607
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Add: 11/15 + 5/15
a. 8/15 b. 33/15 c. 16/15 d. 14/30 e. 33/225
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Solve the problem by using two equations with two variables.A barge takes 3 hours to move (at a constant rate) downstream for 21 miles, helped by a current of 2 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current.
A. 5 hours B. 42 hours C. 3 hours D. 7 hours
Mathematics