Abookstore advertises 5 notebook for 7.50 at this rate how much would one notebook cost

Can someone me out here and the tell me the greatest common factor

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Aline passes through 3,7 and 6,9 what equation represents the line