Line segment ab has endpoints a(10, 4) and b(2, 8). find the coordinates of the point that divides the line segment directed from a to b in the ratio of 1: 4

How many different ways can you make change for $.50 using only nickels, dimes, and quarters?

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?