1. a coin had a value of $257.00 in 1995. its value has been increasing at 9% per year
a. what is the total value after 5 years?
b. when will the coin be worth $600.?

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.