Across
1
Result of raising a number to an exponent
4
Result of multiplication
5
Symbol representing unknown value
6
Reference line in a graph
8
Parts per hundred
10
Rectangle with four equal sides
11
Number greater than zero
12
Difference between highest and lowest values
Down
2
Repeated addition
3
Distance from center to edge of circle
7
Space between two intersecting lines
9
Value that does not change