PLEASE HELP!!!
Expand:
A. 3 + 4 + 5 + 6 + 7
B. 7 + 8 + 9 + 10 + 11 + 12 + 13
C. 7 + 8 +9 + 10 + 11
D. 7 + 11 + 15 + 19 + 23
![PLEASE HELPExpand A 3 4 5 6 7B 7 8 9 10 11 12 13C 7 8 9 10 11D 7 11 15 19 23 class=](https://us-static.z-dn.net/files/de3/691e97ea942fd3b48e7415ae492b8287.jpg)