Triangle AA'B'C' is the image of A ABC under a dilation with a scale factor of 2.
A
C
B

Find the value of the cosine for angle a

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?