Answer:
Step-by-step explanation:
I think in this question we have to find slope, if so, its y = 10x. 
to find the slope just pick two numbers, i chose (2,20) and (7,70) and then put them in the slope formula y2-y1/x2-x1. That gave me 10. I hope its correct. :)
 
        
             
        
        
        
Answer:
k = 10
Step-by-step explanation:
X progresses by 25, while y progresses by 250.
So divide 250 ÷ 15 and your answer is 10.
 
        
                    
             
        
        
        
I don't know what is the correct answer
        
             
        
        
        
Answer:
68 degrees
Step-by-step explanation:
2 complementary angles make up a 90 degree angle.  
90 degrees - 22 degrees = 68 degrees