Answer:
Step-by-step explanation:
If the question is to factorize

Answer:
The answer is less than 90 degrees
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

Required
Determine h(-6)
To do this, we make use of:

Because 
So, we have:



Simplify

Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals [20]. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers.
Answer:
90
Step-by-step explanation: