30 over 4 = 15·2 over 2·2 = 15 over 2 = 1 + 7·2 over 2 = 7 1 over 2 
Whole number =7
Fraction = 1 over 2
Hope this helps
        
             
        
        
        
By comparing all the options with the formula of sum of cubes and difference of cubes we get that   is sum of cubes
  is sum of cubes 
<h3>
What is formula of sum of cubes and difference of cubes?</h3>
Formula of sum of cubes and difference of cubes are following 

(a)

by comparison with formula we can say that this is neither sum or nor difference of cubes.
(b)

by comparison with formula we can say that this is neither sum nor difference of cubes.
(c)

we can say that this is neither sum  nor difference of cube as it's difference of squares.
(d)

by comparison with formula this is equal to

Hence this is sum of cubes
(e)

by comparison with formula we can say that this is neither sum  nor difference of cubes.
By comparing all the options with the formula of sum of cubes and difference of cubes we get that   is sum of cubes
 is sum of cubes 
To know more about cubes visit: brainly.com/question/107100
 
        
             
        
        
        
Answer:
5e
5(e)
Step-by-step explanation:
please mark this answer as brainliest
 
        
             
        
        
        
To find the standard error, divide the standard deviation by the square root of the sample size
standard deviation = 7.5
sample size = 25......sqrt 25 = 5
standard error = 7.5 / 5 = 1.5 <==
        
             
        
        
        
Answer:
8(2g + 1) (4g^2 - 2g + 1)
Step-by-step explanation: