Answer:
63
Step-by-step explanation:
=7(1-(-8))
=7(9)
=63
hope this helps
A rational number can be written in the form a/b where b≠0
-41=-41/1
it is rational
yes
Answer:
3) 
Step-by-step explanation:
Answer:
Hope this helps I'm not sure if its correct though, it must be correct anyway. So yea.
Answer:
1x-1y
Step-by-step explanation: