Please do hese 3 questions

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

What is 1.5% of 120 or what number is 1.5% of 120

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.