The answer is the option d, which is: d) 
The explanation for this problem is shown below:
1. Smplify the denominator and rewrite the numerator in this form:

2. Multiply the denominator and the numerator by the conjugated
and simplify the expression, as following:

3. As you can see, you obtain the expression shown in the option mentioned above.
The answer is 52.
20+52=72
Answer:
There is no graph .... Please next time add one :)
Step-by-step explanation:
You multiply the options in each section:
Shirts x skirts x shoes
7 x 6 x 4
=168
So, there are 168 combinations- Letter answer B