Can some one help me with this too

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Nine people are going to share a 128-ounces bottle of soda. how many ounces will each person get drink? choose the correct equation and answer for this situation

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.