Answer:
6/8, 9/12, 12/16
Step-by-step explanation:
Multiply the numerator and denominator by the same amount to maintain the same ration.

 
        
             
        
        
        
Part A: slope is 40
And i don’t know the rest I’m sorry
 
        
             
        
        
        
Answer:
21 k^9
Step-by-step explanation:
(3k^4) (7k^5)
Multiply the coefficients
3*7 = 21
Add the exponents
k^(4+5) = k^(9)
Put back together
21 k^9
 
        
             
        
        
        
Answer:
Step-by-step explanation:
 Last season two running backs on the Steelers football team rushed a combined total of 1550 yards.  One rushed 4 times as many yards as the other.  Let x and y represent the number of yards each individual player rushed. this is the equation that was used 
          x + y = 1550
          y  = 4x