Answer:
3u-47
Step-by-step explanation:
Just combine like terms, which for this case is the -40 and the -7. Hope this helps!
Answer:
1,183
Step-by-step explanation:
first you do 630 and add 273 you should get 903 then add 286 to that and you get 1,183
He is, since each number is 4 more in value than the previous number