Answer:
Final answer is choice B. 
Step-by-step explanation:
We need to factor the given expression 





Hence final answer is choice B. 
Answer:

Step-by-step explanation:
Given:

Then the composition of functions:

where we have written the final functional expression in its standard form.
Answer:
0.4
Step-by-step explanation:
n × 0.2=0.08
n = 0.08÷0.2
n = 0.4