Across
1
Collection of distinct elements
3
Number less than zero
4
Result of raising a number to an exponent
6
Reference line in a graph
8
Corner point of a polygon
9
Rectangle with four equal sides
11
Round shape with all points equidistant
Down
2
Sum divided by count
4
Parts per hundred
5
Divisible by two
7
Split into equal parts
10
Line touching circle at one point
12
Number greater than zero