Answer:
see attached
Step-by-step explanation:
Take a look at the image below.
15inch
X^2=8^2+7^2
Answer is B
It's 3 feet
Because you are trying to reach the window that is 15 feet, so you would place the 18 foot ladder 3 feet from the house so then it would be at an angle and then it'll reach to the window properly.
