At age 19, someone sets up an IRA (individual retirement account) with an APR of 7%. At the end of each month he deposits $45 in the account. How much will the IRA contain when he retires at age 65? Compare that amount to the total deposits made over the time period.

You remove a cheesecake from the oven with an ideal internal temperature of 165 f and place it into a 35 f refrigerator. after 10 minutes, the cheesecake has cooled to 15o f if you must wait until the cheesecake has cooled to 70 before you eat it, how long will you have to wait?