Answer:
-13
Step-by-step explanation:
1 - 14 = -13
Have a great night! :)
Answer:
3
1 -----
25
Step-by-step explanation:
Answer:
x=31
Step-by-step explanation:
Answer:
see attached image
Step-by-step explanation:
The first one will flash at every 30 sec and the second one at 20 sec. The second one will go like 1- 4- 8 and then to 12. By the time the second one will reach first at 6 and then on 12. So, after every 1 minute they will flash together.