A debt of $600 due in three years and $800 due in four years is to be repaid by a single payment two years from now. If the interest rate is 8% compounded semiannually, how much is the payment?

Find the distance between (7,-6) and (-3,-9)

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?