1 . The average of a a, b, c is 6 and a-b =4, ab = 21, What is the value of c ?
- A. 6
- B. 7
- C. 8
- D. 9
View Answer | Discuss in Forum | Workspace | Report |
1 . The average of a a, b, c is 6 and a-b =4, ab = 21, What is the value of c ?
View Answer | Discuss in Forum | Workspace | Report |