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The stem-and-leaf plot below shows the scores for each golfer in a recent tournament at the Lehigh Valley Golf Club. There were 13 golfers participating in the tournament.

(Note: For example, a score of 72 would have a stem value of 7 and a leaf value of 2.) Which of the following is closest to the mean score of all the golfers in the tournament?

(A)72

(B) 74.4

(C) 75

(D) 75.9

(E) 83

In the figure below, M is on and O is on . and are parallel. The dimensions given are in feet. What is the length, in feet, of ?

（A）39 （B） 91 （C） 105 （D） 273 （E） 294

Correct Answer: B

A basketball player has attempted 30 free throws and made 12 of them. Starting now, if he makes every free throw attempted, what is the least number of additional free throws he must attempt to raise his free-throw percentage to at least 55%?

(Note: Free-throw percentage =

× 100.)

（A）5 （B） 10 （C） 16 （D） 17 （E） 29

Correct Answer: B

A magician performing at children's birthday parties charges $120.00 total for a one-hour performance with ten goodie bags for children at the party. She will provide additional goodie bags for $2.50 each. For an additional $25.00, she will also present a 15-minute laser light show. The magician is always paid on the day of the show, receives no tips or other additional payments, and never varies the length of the show. If the magician performs exactly four shows one weekend, presents the light show at three of those performances, and collects $635.00 total, how many additional goodie bags did she provide?

(A) 26 (B) 32 (C) 48 (D) 86 (E) 254

Correct Answer: B