单项选择题

What is the area of the triangle in the figure below（）
 

(A) 4.5
(B) 9
(C) 10
(D) 12.5
(E) 20

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单项选择题
According to the graph, which of the following is the best estimate of the total revenue from government funding in 1990（）

A．$60 million
B．$55 million
C．$45 million
D．$35 million
E．$30 million
单项选择题
The length of a rectangular kitchen floor is 3 feet more than its width. If the length of the floor is 12 feet, what is the area of the floor in square feet
(A) 9
(B) 15
(C) 42
(D) 108
(E) 144
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