Find each sum:
1.-5+(-4)
2.-9+(-1)
3.-52+(-48)
4.-1+(-10)
5.-90+(-20)
6.5+198
8.-4+(-5) +(-6)
9.-50+(-175)+(-345)

Describe a pattern in each sequence what are the next two terms of each sequence -5, 5, -5, 5 a. subtract 10 from the previous term; -5,5 b. multiply the previous term by 1; 5, 5 c. add 10 to the previous term; -5, -15 d. multiply the previous term by -1; -5, 5