Answer: b2 should be 5 i believe
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:
-72
Step-by-step explanation:
D = 5
T16 = - 13 + 15(5)
= - 13 + 75
= 62