Please please help me with those questions please please help me

Find an equation for the linear function which has slope -10 and x-intercept -7

What is the the greatest common factor ?

First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement in