Hava Collins
Nuclear Terror Video
1:43
Hava Collins
How to solve problems with 30-60-90 and 45-45-90 triangles
1:40
Hava Collins
Snoopy
3:03
Hava Collins
Snoopy
2:28
Hava Collins
Probability Video
2:55
Hava Collins
Sally the Square (Coordinate Transformations)
0:05
Hava Collins
IMG 6451
2:30
Hava Collins
Math Video Section 2
2:39
Hava Collins
Math Video
1:31
Hava Collins
World History PSA
2:02
Hava Collins
Deriving the Quadratic Formula from a Quadratic Function
6:05