Answer:
Step-by-step explanation:
C is the answer to the best of my knowledge
Answer:
-1.5
Step-by-step explanation:
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.
Answer:
7 ÷ (a - 6)
Step-by-step explanation: