Renae mows lawns on the weekends. She has 3- gallons of fuel, 4 3 which is a mixture containing oil. In this mixture, there is of a 8 cup of oil for each gallon of fuel. If she plans to use all of her fuel, how much oil will she have used?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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?

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?