(35 points)is x=1 and y=1 perpendicular or paralell to eachother or neither

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

What is r i 4.5+10r=-6.5 with work pls

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