Omar deposits $400 in an account earning 4% interest compounded annually. How much interest will the account earn after 4 years if he makes no withdrawals?

Why is studying fractions important

The anwser cause i do not understand just plez

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?