1. Sniper by:jacob.A

2. description A sniper is a person who sits at a elevated position and shoots people at a long range.

3. How do they use math They use trigonometry to calculate where the round will hit.

4. How does a sniper improve people’s lives? A sniper improves peoples lives by fighting for our country and by saving more troops lives.

5. What are some interesting facts about snipers? The maximum range of a barret fifty caliber is 7,450 yards Snipers have to be hidden or they can endanger the mission

6. credits http://wiki.answers.com/Q/How_math_is_us ed_in_snipers http://wiki.answers.com/Q/How_math_is_us ed_in_snipers http://www.chacha.com/question/how-far- does-a-barret-fifty-cal-shoot http://www.chacha.com/question/how-far- does-a-barret-fifty-cal-shoot http://en.wikipedia.org/wiki/Sniper?redirect= no http://en.wikipedia.org/wiki/Sniper?redirect= no