Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. - 
C. simplest form
D. - 
Answer: D
Mathematics
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Provide an appropriate response.Consider the graphs of y = cos-1 x and y = sin-1 x. Does it make sense that the derivatives of these functions are opposites? Explain.
What will be an ideal response?
Mathematics
Convert the units.9 kg = 
mg
A. 0.09 mg B. 900 mg C. 0.009 mg D. 9,000,000 mg
Mathematics
Solve the problem.The intensity of a certain noise is 2.65 × 10-6 W/cm2. How loud, in decibels, is this sound level? Use the formula 
where 
(Round to the nearest decibel.)
A. 110 decibels B. 50 decibels C. -13 decibels D. 104 decibels
Mathematics
Simplify.
A. 28 B. 50 C. 27 D. 25
Mathematics