The answer is b. Multiplication from left to right.
Pemdas- exponent, multiplication, division.
I think that translation is the only one that DOES preserve orientation.
Rotation and reflection definitely don't, and I'm not sure about dilation.
Well if u divide 100 by 20 you'll get 5 groups of cookies and brownies

now, the asymptotes rectangle is a rectangle that is (a+a) in width and (b+b) in length, thus its area is 2a*2b,