What is the area of the figure? explain how to get the answer.

[tex]5 \times1 \frac{12}{13} [/tex] me

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.

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.