Answer:
11
Step-by-step explanation:
3 + 5 = 8
8 + 9 = 17
17 - 6 = 11
Answer:
If a, b and c are in arithmetic progression, that means that a + c = 2b. So a + b, a + c and b + c are also in arithmetic progression.
This might help.
Answer:
289.8
Step-by-step explanation:
69%*420=289.8
Answer:
How many students like only tennis and football?
13 who like tennis and football
How many students like only baseball and football?
26 who like baseball and football