<span>Question 12 options:
NO CHANGE
scientists: and
scientists, and
scientists, an</span>
Answer:
The value of a is 150 and b is 4822.
Explanation:
First, you have to expand to remove brackets :


Next, you have to simplify :


Next, you have to compare it :



Answer:positively cheap labour.
Then negatively Low taxes
Explanation:because it's of low level school people or drop outs who don't mind much of wages as compared to office related work or jobs
Then low taxes as a result of favour being imposed on the cheap kabour
Answer:
adjective: sharp; adverb: fast
Explanation:
"sharp" describes "curve", which is a noun, and therefore, this is an adjective.
"fast" describes "skated" (I think), which is a verb, and therefore, this is an adverb.
Hope this helps!