Emily deposits $14,500 each year into a retirement account with a 7% simple interest rate. if she deposits the same amount each year, how much money will she have at the end of her fourth year?

Aparticle moves on a line away from its initial position so that after t hours it is s = 2t^2 +3t miles from its initial position. find the average velocity of the particle over the interval [1, 4]. include units in your answer.