### 6 June 2009 is a BAD; and a D-Day and Tetris Anniversary

6 June 2009 when written in the MM/DD/YY was a BAD (Basic Arithmetic Date).

```   6/6/09:  (9 - 6)! = 6
6/6/09:  avg(6, 6) = sqrt(9)!
6/6/09:  sqrt(6 * 6) = sqrt(9)!
```
6 June 2009 was the 65th anniversary of D-Day.

6 June 2009 was the 25th anniversary for Tetris.

##### Exercises
1. `25/65` written as a reduced fraction in its lowest form is `_____/_____`.

2. `65` is `_______ score` greater than `25`.

3. `avg(25, 65) = ______`

4. No or Yes: `65 = 1^2 + 8^2`65 = 4^2 + 7^2

5. A right triangle having legs of `16^2` and `63^2` has a hypotenuse of `_____^2`.

6. A right triangle having legs of `33^2` and `56^2` has a hypotenuse of `_____^2`.

7. `65` is the sum of the three prime numbers `11` and `13` and `______`.

##### Update::2009.06.07

When MathBabbler created this BAB, he looked to see if he had nBABs for the numbers 25, 65 and 45 (the average of 45). He did.

On 6 June 2009, the Silicon Valley/San Jose Business Journal reported that Rajeev Motwani died at age of 45. According to the Business Journal, "Motwani founded the Mining Data at Stanford project (MIDAS), which helped develop innovative data management concepts." The Business Journal also quote Sergey Brin (co-found of Google) saying: "Of all the faculty at Stanford, it is with Rajeev that I have stayed the closest and I will miss him dearly. Yet his legacy and personality lives on in the students, projects, and companies he has touched. Today, whenever you use a piece of technology, there is a good chance a little bit of Rajeev Motwani is behind it."

Too.Blogspot.com::Remembering Rajeev

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 06 June 2009