已知A=0.96,B=0.3,则A÷B=( )
A:0.032
B:0.32
C:3.2
D:32
方程x21+k+y21-k=1表示双曲线,则k的取值范围是( )
I play football badly ____(and/but)I play basketball well.
如图,△ABC中,AB=5,AC=6,BC=4,边AB的垂直平分线交AC于点D,则△BDC的周长是( )