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 tenth.
A. 21.7°
B. 20.7°
C. 22.7°
D. 23.7°
Answer: D
Mathematics
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Provide an appropriate response.Give an example where you would need to multiply by two or more unit fractions to make a conversion.
What will be an ideal response?
Mathematics
Use the properties of logarithms to rewrite the expression. Simplify the result if possible. Assume all variables represent positive real numbers.log8 
A. log8 
+ log8 12
B. 
- log8 12
C. 
D. 
log8 11 - log8 12
Mathematics
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round to four decimal places.log0.218
A. 0.5563 B. -0.5568 C. -1.7959 D. 1.9542
Mathematics
Provide an appropriate response.Without graphing, explain the differences between the graphs of 
y = (x - 4)2, and y = (x + 4)2.
What will be an ideal response?
Mathematics