Mikaela wants to use her savings to buy a surfboard that costs $329. She has a coupon for 25% off and the sales tax is 7.5%. She deposited $245 in her bank account 3 years ago at a simple interest rate of 3.5% per year. Does she have enough money in her account to pay for the surfboard? Explain your answer.

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.