20 books are 20$ 30 books are 75$ and 40 books are 100$ WHAT IS THE ANSWER

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

Match each polynomial with its factorization.

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)