This is really hard... can anyone help..? Please no wrong answers

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need