Solve the problem.The half-life of plutonium-234 is 9 hours. If 80 milligrams is present now, how much will be present in 6 days? (Round your answer to three decimal places.)
A. 0.001
B. 0.787
C. 26.39
D. 50.396
Answer: A
Mathematics
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Find the slope of the polar curve at the indicated point.r = 1 - sin ?, ? = 
A. undefined
B. 2
C. 
D. 
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Use the graph of the given one-to-one function to sketch the graph of the inverse function. For convenience, the graph of y = x is also given.
A. 
B. 
C. 
D. 
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Find the relative extrema of the function. Find the relative extrema of trigonometric functions on [0, 2? ]. List your answers in terms of ordered pairs. Then sketch a graph of the function.
Mathematics
Find the modulus and the argument for the complex number. z = -10i
What will be an ideal response?
Mathematics