Simplify the rate and write the result in words. 

A. ; 67 students for every 18 teachers
B. ; 67 students for every 2 teachers
C. ; 67 teachers for every 2 students
D. ; 603 students for every 2 teachers


Answer: B

Mathematics

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Solve the inequality symbolically. Express the solution set in interval notation.10a - 1 > 9a - 3

A. (-2, ?) B. (-4, ?) C. (-?, -4) D. (-?, -2)

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State whether the graph is or is not that of a function.

A. Not a function B. Function

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Graph the rational function.f(x) = 

A.

B.

C.

D.

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Radium - 226 has a half-life of 1600 years. Suppose we have a 300 g sample. How much of the sample remains after 200 years?

(a) 105.61 g (b) 124.61 g (d) 288.1 g (e) 200.1 g

Mathematics