Answer:
A. 2,484
Step-by-step explanation:
27×30 2/3× 9= 7,452
7,452÷3= 2,484
Answer:8sqrt 2 or sqrt 128
Step-by-step explanation:
We can use the Pythagorean Theorem. Since the ladder is leaning against the wall, it is the hypotenuse. It is also 4 feet away from the wall so 12^2-4^2=b^2 b^2=128 so b=8sqrt 2 or sqrt 128.
The fourth one I think hope it helps