Across
1
Parts per hundred
6
Sum divided by count
7
Math using letters for unknown values
8
Middle value in an ordered dataset
9
Steepness of a line
11
Line touching circle at one point
Down
2
Mathematical statement of equality
3
Number greater than zero
4
Result of raising a number to an exponent
5
Comparison of two quantities
10
U-shaped curve of a quadratic function