Across
1
Parts per hundred
5
Result of raising a number to an exponent
6
Number divisible only by 1 and itself
7
Number with digits after a point
8
Difference between highest and lowest values
13
Number less than zero
Down
2
Visual representation of data
3
Comparison of two quantities
4
Lines that never intersect
9
Line touching circle at one point
10
Rectangular array of numbers
11
Symbol representing unknown value
12
Longest side of a right triangle