Answer:
Lilly is 7 years old
(A). + <em>k</em>
Step-by-step explanation:
× 2(2 + 4k + 3 + k ) = ( 5 + k ) = + k
I think it is
B.
l and ll only
x^2+29x+210
I hope this helps! I did this through the FOIL method. :)