单项选择题

A rectangular tabletop consists of a piece of laminated wood bordered by a thin metals trip along its four edges．The surface area of the tabletop is x square feet，and the total length of the strip before it was attached was x feet．If the tabletop is 3 feet wide，what is its approximate length，in feet（）

A. 12
B. 10
C. 9
D. 8
E. 6

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单项选择题
The figure above shows the lengths of thesides of an equiangular polygon．What is the area of the polygon（）

A. 7
B. 8
C. 9
D.
E. It cannot be determined from the information given．
单项选择题
In the rectangular coordinate system above，if P，not shown，is a point on AB and if the x-coordinate of P is 1，what is the y-coordinate of P（）

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