sec2.04

4. In the figure above, the circle is tangent to sides \[BC\] and \[AD\] of the 8-by-12 rectangle, \[ABCD\]. What is the area of the circle?
(A) \[16\pi\]
(B) \[20\pi\]
(C) \[36\pi\]
(D) \[64\pi\]
(E) \[96\pi\]
sec2.05
5. On the disk shown above, a player spins the arrow twice. The fraction \[\frac{a}{b}\] is formed, where \[a\] is the number of the sector where the arrow stops after the first spin and \[b\] is the number of the sectors has an equal probability of being the sector on which the arrow stops. What is the probability that the fraction \[\frac{a}{b}\] is greater than \[1\]?
(A) \[\frac{15}{36}\]
(B) \[\frac{16}{36}\]
(C) \[\frac{18}{36}\]
(D) \[\frac{20}{36}\]
(E) \[\frac{21}{36}\]
6. Which of the following tables shows a relationship in which \[w\] is directly proportional to \[x\]?
(A)
\[w\]
 \[x\]
1
 3
2
 4
3
 5

(B)
\[w\]
 \[x\]
3
 9
4
 16
5
 25

(C)
\[w\]
 \[x\]
5
 10
6
 18
7
 28

(D)
\[w\]
 \[x\]
7
 21
8
 24
9
 27

(E)
\[w\]
 \[x\]
5
 10
10
 15
15
 20
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