The orange shape is a dilation of the black shape. What is the scale factor of the dilation? 1018
х
-10
0
10
-10
Simplify your answer and write it as a fraction or whole number.

20 sharpened pencils are placed in a box containing an unknown number of unsharpened pencils suppose 15 pencils are removed at random and five of the remove pencils are sharpened based on this is it reasonable to assume that the number of unsharpened pencil is 40 explain your reasoning