Find the amount necessary to fund the given withdrawals. Semiannual withdrawals of 850 for 6 years, interest rate is 4.7% compounded semiannually.

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

2/3(-6y+9x) expand each expression using the distributive property