Across
1
Collection of distinct elements
3
Lines that never intersect
4
Number less than zero
9
Result of raising a number to an exponent
10
Result of multiplication
12
Result of addition
Down
2
Line touching circle at one point
5
Part of a line with two endpoints
6
Mathematical rule or equation
7
Part of a whole number
8
Number with digits after a point
10
Number greater than zero
11
Sum divided by count