[ Mathematics ] Open Question : Help on probability?

There is a spinner divided into 9 equal parts. plz help me with these questions: what is the probabilty that the spinner stops on a mulitiple of 2? what are the odds in facor of stopping on a mulitple of 3 what are the odds against stopping on an 8 or 9? if u spin the spinner 45 times how many times do u expect it to stop on a odd number? plz help i cant figure these out . also can someone explain if the answers shoud be in ratio or fraction form thank u sooo much