add -57+(-22)=-79
place numbers in acsending order 25,-13,8,-2,13,3,18=-13,-2,3,8,13,18,25
perform the indicated operation -21-(-9)/-21-(-21)=-12/-42
add -3/5+(8/35)=13/35
subtract -2.3-(-8.8)=6.5
place numbers in acsending order 25,-13,8,-2,13,3,18=-13,-2,3,8,13,18,25
perform the indicated operation -21-(-9)/-21-(-21)=-12/-42
add -3/5+(8/35)=13/35
subtract -2.3-(-8.8)=6.5