单项选择题

Two sides of a right triangle are 5 and 6. Which of the following could be the length of the third side （）

A. Ⅰ only
B. Ⅲ only
C. Ⅰ and Ⅱ only
D. Ⅰ and Ⅲ only
E. Ⅰ, Ⅱ, and Ⅲ

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单项选择题

The revenue from lottery ticket sales is divided between prize money and the various uses shown in the graph labeled Proceeds. In 1997, what per-cent of the money spent on tickets was returned to the purchasers in the form of prize money？（）

A． 23.5%
B． 50%
C． 60%
D． 66%
E． 74%

单项选择题

（）

A、 if the quantity in Column A is greater
B、 if the quantity in Column B is greater
C、 if the two quantities are equal
D、 if it is impossible to determine which quantity is greater