A polynomial with no odd-degree terms will have a graph with even symmetry. The one here that qualifies is ...
  c. 7x^4 +9x^2 -12
        
             
        
        
        
Answer:
Step-by-step explanation:
Ok so first we need to look and rule out the ones that are not correct like 9m and 5m. ok now we ruled out 2 of the wrong ones and now we have 90m and it looks like a 45m. now we multiply 5 x 2 x 9 which equals 90. so the answer is 90.
                         Hope it helps!
 
        
                    
             
        
        
        
Answer:
Rational numbers are fractions composed of integers. An integer is a number with no fractional part. So 7/8 is a ratio of whole numbers, which makes it rational. Negative or positive does not matter.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
B
Step-by-step explanation:
3/r=1/y-2/x
3/r=x-2y /xy