Mr. Brown is so strict ______ us that everyone in Grade 8 is scared _____ him.
A:in, of
B:with, of
C:in with
D:with, in
如图,AB、AC、BD是⊙O的切线,P、C、D为切点,如果AB=5,AC=3,则BD的长为 ____
下列各式正确的是( )
点A 为数轴上表示-2的动点,当点A沿数轴移动4个单位长到B时,点B所表示的实数是( )