Across
1
Exact correspondence on both sides
5
Symbol representing unknown value
6
Visual representation of data
7
Lines that never intersect
9
Number greater than zero
10
Proven mathematical statement
11
Divisible by two
Down
2
Difference between highest and lowest values
3
Repeated addition
4
Distance from center to edge of circle
7
Result of raising a number to an exponent
8
Parts per hundred