单项选择题

In the right triangle below, if x = 9, what is the value of y（）

A.A
B.B
C.C
D.D
E.E

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单项选择题

Directions for Quantitative Comparison Questions: Some of the following questions give you two quantities, one in Column A and one in Column B, Compare the two quantities and choose one of the following answer choices:（）

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 you cannot determine the relationship based on the given information

单项选择题

Each of the following is a valid conclusion that can be drawn from the information in the graph EXCEPT:（）

A．the total revenue from tuition and government funding in 2000 was $120 million
B．between 1980 and 1990, the proportion of total revenue from government funding increased
C．revenue from government funding increased every year from 1950 to 2000
D．revenue from tuition increased every year from 1960 to 1990
E． revenue from tuition increased at a greater rate than did revenue from government funding