Katie invests £200 in a savings account for 2 years. The account pays compound interest at an annual rate of 3.3% for the first year 1.5% for the second year Work out the total amount of money in Katie’s account at the end of 2 years.

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?