Hey! can you please help me with this question :) Find the difference between simple interest and compound interest, compounded annually, on a deposit of $3,000 that earns 4.5% interest for 5 years.

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.