Across
1
Repeated addition
3
Steepness of a line
5
Reference line in a graph
6
Parts per hundred
7
System of ordered marks for measuring
9
Result of raising a number to an exponent
Down
2
Distance from center to edge of circle
3
Collection of distinct elements
4
Lines that never intersect
8
Divisible by two
10
Difference between highest and lowest values
11
Number that divides evenly into another