.2 per treat 2 cents per treat
Answer:

Step-by-step explanation:

the cycle repeats every 4
19/4 = 4.75
16 is divisible by 4 plus three more
thus
but you problem has a minus in front so "i"
U r going to subtract 3 from each side of the equation....leaving you with :
x^2 + 2x = -3
Area of a square is a^2 where a is side length
if u triple the side then it is 3a
A=(3a)^2=9a^2