Fun Math Puzzle

Public|
8
3
7
6
2
1
9
4
5

Across

1

Divisible by two

4

Power to which a number is raised

5

Line touching circle at one point

6

Mathematical statement of equality

7

Parts per hundred

Down

2

Number less than zero

3

Space between two intersecting lines

8

Rectangle with four equal sides

9

The number representing nothing