Can someone please answer this question?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?

What graph represents an even function