Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Answer: C
Mathematics
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Use a truth table to determine whether the symbolic form of the argument is valid or invalid.p ? q
? ~q
A. Valid B. Invalid
Mathematics
Simplify. Write your answer with positive exponents only.
A. 
B. 
C. 
D. 8x - 24y2
Mathematics
Solve.A canoeist paddled 6 miles upstream in 6 hours and returned to his starting point downstream in 45 minutes. What was the speed of the current?
A. 3.5 mph B. 5 mph C. 4 mph D. 4.5 mph
Mathematics
Convert the number in the sentence to standard notation.The average distance from Mars to the Sun is 227.9 million kilometers.
A. 227,000,900,000 B. 227,090,000 C. 227,900,000 D. 227,009,000
Mathematics