I would say A scale which measures by pounds
Answer:
is there any options for the answers
Step-by-step explanation:
Answer:
Step-by-step explanation:

Answer:
7t^2 + 21t
Step-by-step explanation:
You have 7 tiles of each t by t+3.
One tile has an area of
t * (t+3) = t^2 + 3t
So in total the area is
7* (t^2 + 3t)
7t^2 + 21t
16 ..............::......