Math crossword puzzle

6. The square root of a number, or a crazy activist.
9. The mathematical study of triangles and their applications.
10. A variable that is never a number. EX: religious preference, eye color, favorite food.
11. Part per hundred.
12. The ratio of a circle's circumference to diameter.
13. Mr. Leonard's home state. Hint: Crabs.
15. Cannot divide by this number under any circumstance.
16. Two angles that sum up to 180 degrees.
17. Half the diameter of a circle.
18. How likely something is to happen.
20. The mathematical study of equations and relationships of variables.
22. The opposite side of a triangle divided by the adjacent side. To give a long winded sidebar.
23. Invented calculus. Branch of physics named.
25. A variable that is always a number. EX: weight, height, time.
26. Calculated by the adjacent side over hypotenuse.
28. Rise over run. The M in y=mx+b. It's slippery.
30. The inverse of an exponent.

1. The mathematical study of chance.
2. The subtraction of two or more numbers.
3. The mathematical study of shapes. EX: triangles, circles, lines.
4. An equation or function with two terms.
5. The mathematical study of truth and reasoning.
6. This angle is always 90 degrees. What you are if you are justified in an argument.
7. The mathematical study of rates of change.
8. Take the sum of all numbers, then divide by the amount of numbers you have.
12. The amount of ways a bunch of stuff can be arranged (order matters).
14. How sensitive a function is to change.
19. A number that cannot be put as a fraction and goes forever. A person you can't reason with.
21. To find the two numbers that resulted in a product of multiplication.
24. A number raised to a power.
27. the maximum that the probability for anything can be.
29. The addition of two or more numbers.