Parallel lines have the same slope. So the slope of the other line =2/7
        
                    
             
        
        
        
Parameterize  by
 by

with  and
 and  .
.
Then the surface element is

and the surface integral is

 
        
             
        
        
        
A rational number is any number that can be represented as a fraction. (7=7/1 or 52 = 26/1 ).
An irrational number is a number like 3.14159 (pi) or anything like that. 
        
                    
             
        
        
        
Answer:
c. 7.527
Step-by-step explanation:
We know that 78 percent of the bar is gold and the total weight is 9.65 ounces. Just multiply the total weight by 78%.
9.65(0.78)=7.527
 
        
             
        
        
        
A. 25% or 3/12 B. 25% or 3/12 C. 28% D. 20%
or A. 20% B.10% C.28% D.20% pretty sure first for i listed is correct