If calculater is sold for R120.00. what will the new price of a calculator be if the original selling price is increased in a ratio of 5 : 3

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.

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,