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. 23.7°
B. 21.7°
C. 22.7°
D. 20.7°
Answer: A
Mathematics
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Simplify.2 + 
A. 
B. 
C. 
D. 
Mathematics
Determine the slope and the y-intercept for the linear equation. Use the slope and the y-intercept to sketch the graph of the equation.y = - 
x + 1
A. m = - 
, y-intercept: (0, 2)
B. m = 
, y-intercept: (0, 2)
C. m = 
, y-intercept: (0, 1)
D. m = - 
, y-intercept: (0, 1)
Mathematics
Solve the problem.Brand X copier advertises that its copiers run 23% longer between service calls than its competitor. If Brand X copiers run 59,800 copies between services, how many copies would the competitor run?
A. 48,618 copies B. 73,554 copies C. 33,785 copies D. 46,046 copies
Mathematics
Divide.0.58 ÷ (2)
A. 1.29 B. 12.9 C. 0.29 D. 2.9
Mathematics