Solve the problem.The index of refraction for air, Ia, is 1.0003. The index of refraction for water, Iw, is 1.3. If 
and 
find W to the nearest unit.
A. 21°
B. 23°
C. 22°
D. 24°
Answer: D
Mathematics
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Determine whether the following is always true or not always true. Given reasons for your answers.(u × v) ? w = u ? (w × v)
What will be an ideal response?
Mathematics
Use the Quotient to a Power Rule to simplify. All variables are nonzero.
3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.To solve the rational inequality 
? 2, you can first write the inequality with 0 on one side and the other side expressed as a single fraction. What value or values of x make the numerator of that fraction equal to 0?
A. {3} B. {-2} C. {2, 3} D. {2}
Mathematics
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log (x + 4) = log (4x + 1)
A. 
B. 
C. 
D. 
Mathematics