Use the properties of logarithms to simplify the expression.ln cos ? - ln 
A. ln 4
B. ln 
C. ln 
D. ln cos ?
Answer: A
Mathematics
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Convert the given unit of measure to its base unit - meters, grams, or liters.0.6 kg
A. 60 g B. 0.0006 g C. 6000 g D. 600 g
Mathematics
Combine like terms when possible. 15r - 3r6 - 5r6 + 15r
A. 22r B. 22r6 C. 30r - 8r6 D. cannot be simplified
Mathematics
Name the quadrant, if any, in which the point is located.(-13, -7)
A. IV B. None C. II D. III
Mathematics
Verify that the values of the variables listed are solutions of the system of equations.
x = -4, y = -1
A. solution B. not a solution
Mathematics