把边长为4的等边三角形ABC置于直角坐标系中,使得顶点B在原点,顶点C在x轴上若点C在x轴上,若点C的坐标为(0,4),则顶点A的坐标为( )。
(2,±2)
内生之寒邪易伤哪脏()
A.心
B.肝
C.脾
D.肺
E.肾
Assume that the expected dividend growth rate (g) for a firm decreased from 5% to zero. Further, assume that the firm's cost of equity (k) and dividend payout ratio will maintain their historic levels. The firm's P/E ratio will most likely:()
A. become undefined.
B. increase.
C. decrease.