Calculate the interest earned if you invested $10,000 in a 1-year CD that pays 5.25% interest compounded monthly. The amount per $1.00 is 1.063783

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

What is the value of x? enter your answer in the box. x =

How many revolutions will a car wheel of diameter 28 in. make over a period of half an hour if the car is traveling at 60 mi/hr? the final answer is supposedly 21,609 but i have no idea how to get that, show work : )