Ricky is 24 years old and starting an ira. he is going to invest $200 at the beginning of each month. the account is expected to earn 2.95% interest, compounded monthly. how much money will ricky have in his ira when he retires, at age 65?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered