The answer for both of these would be a rectangle.
A rectangular prism has 6 faces, all of which are rectangles.  Slicing the prism parallel to any of the faces, whether they are end faces or bases, will result in a rectangular cross-section.
        
             
        
        
        
Answer:
4.17%
Step-by-step explanation:
Rate = interest earned / (principal x time) 
70 / (4 x 420) = = 0.0417 = 4.17%
 
        
             
        
        
        
Answer:
A) x=39
Step-by-step explanation:
117 = 3x
117 divided by 3 = 39
3x = 117
3(39) = 117
117 = 117
A) x = 39
 
        
             
        
        
        
Answer:
28/d is the answer from my side