What’s the missing number in this sequence:
9, 9,
11, __
21, 29,
29, 39

What kind of bond pays interest which is exempt from tax?

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form