D=dog's weight
c=cat's weight
d=7c
d+c=72
sub 7c for d
7c+c=72
8c=72
divide both sides by 8
c=9
d=7c
d=7(9)
d=63
dog=63lb
Answer: I believe it is C.
Step-by-step explanation: Because if you take 4 x 20 = 80
If I am wrong sorry.
The slope is 5/6.
The x-intercept is (6, 0)
The y-intercept is (0, -5)
The answer is
B) 2n - 5
because it's -5 than twice the width (2n)