6th grade advanced math
posted by someone .
1) -/-3/____ -3
//= what's the absulute value of.
In the blank either put < or >!
2) In three plays, a football team gains 11 yd, loses 18 yd, and gamins 3 yd. Write and evaluate an addition expression to model the situation.
[please explain how you got each question cause i am confused. It is advanced math]