An ice cream shop offers a choice of three types of cones and 31 flavors of ice cream a customer gets to choose a cone and a type of ice cream how many events are described

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.