Simplify the expression. Write the result using positive exponents only.-5-3
A. 
B. 125
C. - 
D. -125
Answer: C
Mathematics
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Provide an appropriate response.Show that the equation for converting base 10 logarithms to base 8 logarithms is 
What will be an ideal response?
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Simplify.log2 22
A. 2log22 B. 2 C. 1 D. 22
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Use identities to find the indicated value for each angle measure.cos 2? = 
and ? terminates in quadrant III
Find cos ?.
A. cos ? = - 
B. cos ? = - 
C. cos ? = 0
D. cos ? = 
Mathematics
Solve the problem.A coin is tossed upward from a balcony 
high with an initial velocity of 
During what interval of time will the coin be at a height of at least 
A. 0 ? t ? 1 (seconds) B. 4 ? t ? 8 (seconds) C. 3 ? t ? 4 (seconds) D. 0 ? t ? 4 (seconds)
Mathematics