Ok, so you know that we can't divide fractions no matter what. The first thing you do is keep the first fraction, then change the divide sign to multiplication ( opposite of division is multi. ) and finallly flip the last fraction to 7/1 . 
Here's a video to help you understand that method more ...
https://www.youtube.com/watch?v=uMz4Hause-o
The answer ends up as 6.53333333333 
Hope this helps !
        
             
        
        
        
Step-by-step explanation:
t = 4
u = 6 + 2
Find t - u
solu
t - u
= 4 - ( 6 + 2 ) = 4 - 8
Answer is -4
 
        
             
        
        
        
If a random sample of 20 persons weighed 3,460, the sample mean x-bar would be 3460/20 = 173 pounds.
The z-score for 173 pounds is given by:

Referring to a standard normal distribution table, and using z = 0.66, we find:

Therefore

The answer is: 0.2546
 
        
        
        
Answer:
<h3>or infinitely many</h3>
Step-by-step explanation:
simplifying the equation -6x + 8y = 12 dividing by 2 would give us the same equation as 
-6 / 2x + 8 / 2y = 12/2
-3x + 4y = 6
 
        
             
        
        
        
Answer:
m=125*n
Step-by-step explanation:
for every minute that passes 125 meals are packed so you multiply 125 by the amount of minutes(n) to get m