Answer:
Probability of sum of pips on two faces is at least 9 = 
Step-by-step explanation:
Experiment: Throwing two fair dice.
Total no of Outcome =
= 36
Sample space (list of outcome) is attached.
Let E be the event that sum of pips on two faces is at least 9.

Favorable outcome are where sum is 9 , 10 , 11 and 12.
From Sample space, No. of Favorable outcome = 10
∴ 

Answer:
4:12
Step-by-step explanation:
I think you asked for a ratio?
Answer:
what is ac?
Step-by-step explanation:
Answer: u= 3.2
Step-by-step explanation:
divide both by 4