Answer:
28.5^2
Step-by-step explanation:
The formula is, b(base)+c(height)= b+c over 2.  b+c/2.
B=19ft in this problem.
C=38ft
Knowing this, we can further simplify.
19+38/2
Now, we add 19 and 38.
(57)
57/2= 28.5
So, the anwser is 28.5^2
 
        
             
        
        
        
Answer:
right prism
Step-by-step explanation:
If the faces are rectangles, then this prism is called a "right prism"
 
        
             
        
        
        
Answer:
D. <3 and <7
Step-by-step explanation:
Corresponding angles are angles that are on matching sides and that are cut by a transversal. 
Hope this helps!
 
        
             
        
        
        
Answer:
i am sorry i cant see the picture
Step-by-step explanation:
 
        
             
        
        
        
25-18+9
—————
 30 
16/30
Answer:8/15 
I hope this helps