Rectangle 1 has length 10 and width 20. Rectangle 2 is made by multiplying each dimension of Rectangle 1 by a factor of k=3. For each part, show all of your work and explain. (a) Are Rectangle 1 and Rectangle 2 similar? Why or why not? Show all work and explain.
(b) Show that the perimeter of Rectangle 2 is k^2 times the perimeter of Rectangle 1.

Hart manufacturing had six-month sales of $80 million, with $20 million of that amount from the internet. it set a goal to increase the percentage of total sales coming from the internet by 4 percent in the next six months. the results were total sales of $85 million. if the company meets its goal exactly, what will the dollar amount of internet sales be?