Can someone help this is due today

What is the quadric regression equation that fits these data

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

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.