Answer:
270
Step-by-step explanation:
Area = length × width
Answer:
y=20-3x
Step-by-step explanation:
Answer:
3 lbs
Step-by-step explanation:
Answer:
100 units squared
Step-by-step explanation:
The area of a square is A=s^2, where s is the side length. So, in your problem, the area would be A=(x+1)^2. If x = 9, then the formula would be A = (9+1)^2 = 100.