1). 3+(10)+6
2). (-3)+3+12
3). (-3)-6
4). 3-(-2)
5). 5-3-(-2)
6). 7-(-6)-7

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220