Cameron starts an IRA at the age of 32 to save for retirement. She deposits $400 each month. The IRA has an average annual interest rate of 6%. How much money will she have saved when she retires at the age of 65?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z