Answer: x≥ 8.00 and x < 9.50 is the correct option.
Step-by-step explanation:
Since, given expression 8.00 ≤ x < 9.50
Where x is the value for which college students are paid hourly as teacher assistants.
so, x is greater than or equal to 8.00
Therefore,  
   
And, x is less than 9.50
Therefore,  x < 9.50
On combining both expression we get,   and
 and  .
.
Thus, Third Option is correct.
 
        
                    
             
        
        
        
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Answer:
a = 2, b = 3.5
Step-by-step explanation:
Expanding  using Binomial expansion, we have that:
 using Binomial expansion, we have that:
  =
 =


We have that the coefficients of the first two terms are 128 and -224.
For the first term:
=>  
 
=> ![a = \sqrt[7]{128}\\ \\\\a = 2](https://tex.z-dn.net/?f=a%20%3D%20%5Csqrt%5B7%5D%7B128%7D%5C%5C%20%5C%5C%5C%5Ca%20%3D%202)
For the second term:
 
 
 
 

Therefore, a = 2, b = 3.5
 
        
             
        
        
        
Option D: 14 is the right answer
Step-by-step explanation:
In order to find the value of given expression we have to put the given value for f in the expression
Given expression is:

We have to find the value of expression on f=3
So,
putting f=3 in expression

The value of given expression at f=3 is 14
Hence,
Option D: 14 is the right answer
Keywords: expressions, variables
Learn more about expressions at:
#LearnwithBrainly
 
        
             
        
        
        
50.2/3divided by 8/7
     it will equal 1 5/16 which is C