2901?
900 (nine hundreds) + 2000+ 1 = 2901
(0,3) is the next point for the square which is vertically above point A
9.
A quadrilateral has 4 vertices. If you add two bases, its like adding two vertices. 4+2=6. A figure that has 6 vertices is a hexagon, so the answer is hexagon.
10.
Rhombus
Good luck!
$300/100= $3 1%=$3 $3x4=$12 $300+$12=4%$312
$3x6=$18 $300+$18=$318
