Mathletes

2. Most consistent
4. The longest side of a right triangle
8. Is interest added to the principal of a deposit or loan so that the added interest also earns interest from then on.
11. Add and subtract by the amount of numbers
12. Distance between lowest & highest number
14. The square of a side of a plane triangle equals the sum of the squares of the remaining sides minus twice the product of those sides and the cosine of the angle between them.

1. A data point on a graph or in a set of results that is very much bigger or smaller than the next nearest data point.
3. Can be numeric, like numbers of apples -- but it can also be categorical -- like red or blue
5. Group of people
6. X intercepts
7. The highest point the top or apex
9. Denoting an original sum invested or lent
10. A symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side
13. Usually in a way considered to be unfair
15. Something occurring