rachel drives at a constant speed of 70 miles per hour. what is the function model for rachel's distance using f(x)? x represents number of hours, f(x) represents number of miles. equation: f(x) = ?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

Can anyone explain to me how to do this? anything will .