Simplify the fraction.

A. 5
B.
C.
D. 15


Answer: C

Mathematics

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Solve the problem.The apportionment of the 435 seats in a certain country's representative government is determined by the total population counts in each district. The table shows the number of representatives for selected districts based on the 2000 census and the 2010 census. Which districts gained representatives as a result of the 2010 census?

A. 1, 12 B. 1, 12, 18 C. 4, 13, 18, 22 D. 1, 12, 39

Mathematics

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.  x - y + 4z = 143x + z = 4  x + 5y + z = 14

A. Cramer's rule does not apply since D = 0; ? B. {(4, 2, 0)} C. {(0, 2, 4)} D. {(4, 0, 2)}

Mathematics

Write the indicated term of the binomial expansion.(x + 3y)12; 6th term

A. 64,152x5y7 B. 192,456x5y7 C. 192,456x7y5 D. 64,152x7y6

Mathematics

Solve the problem. Snell's Law states that  Use this law to find the requested value. If       find   Round your answer to the nearest degree.

A.  ?2 = 35°  B.  ?2 = 31°  C.  ?2 = 32°  D.  ?2 = 34° 

Mathematics