Answer:
it equals .85 hope this helps!
Step-by-step explanation:
I believe AB=18.4 hope this helps you in your math class.
The answer is: 
The explanation is shown below:
1. You have the following expression given in the exercise above:

2. By applying the distributive property, you obtain:

3. Now, you must factor

in the numerator and

in the denominator:
4. Simplify:
½×½ which will be ¼
Step-by-step explanation:
because