For this case we must find an expression to find 40% of 25. So, we make a rule of three:
25 -----------> 100%
x -------------> 40%
Where "x" represents the amount that determines 40% of 25.

40% of 25 is 10. And an expression to find it is:

Answer:

Look at the picture.

The base of the ladder is 6.47 feet from the house.
Answer:
Solution given:
<6+24=180[co- interior angle]
<6=180-24=156°
<6=156°
3.06, 3 1/6, 3 3/4, 3.8.
Hope that helps.