1. If \[5t = 45\] and \[tk = 1\], what is the value of \[k\]?
(A) \[\frac{1}{45}\]
(B) \[\frac{1}{9}\]
(C) \[\frac{1}{5}\]
(D) \[5\]
(E) \[9\]

2. It takes 4 complete turns of a crank to raise a window 2 inches. At this rate, how many turns does it take to raise the same window \[3\frac{1}{2}\] inches?
(A) 3.5
(B) 7
(C) 12
(D) 14
(E) 35

3. If \[\frac{x}{y} = \frac{2}{3}\] , what is the value of \[\frac{3x}{2y}\]?
(A) \[\frac{1}{3}\]
(B) \[\frac{2}{3}\]
(C) \[1\]
(D) \[\frac{3}{2}\]
(E) \[\frac{9}{4}\]
sec3.04

4. In the figure above, PS and TR intersect at O and ON is perpendicular to PS. What is the value of \[y - x\]?
(A) 20
(B) 70
(C) 90
(D) 100
(E) 140

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