Answer:
I don't know what your asking here but if you could maybe be more specific, then maybe I could help.
Step-by-step explanation:
Needs more information.
Perimeter = 18
P=2(l+w)=2·(7+2)=18cm
is there a picture or something?
a). xy
b).x^2
c). (2y-1) (y^2+3)
