I only have the answer for 1, but !
1. The area of a parallelogram is  base times height. Since the area of that rectangle is twice the area of the circle, then the area of the circle is half the base times the height. It will be half of 2πr· r. The area of the circle will be πr2 
 
        
             
        
        
        
There are a lot of other step that will be in between but the answer will end up being.....
Answer: Log (a^2c/ b^3 d^4)
 
        
             
        
        
        
Answer:
20 outcomes 
Step-by-step explanation:
the outcomes of the first times the outcomes of the second
= 4×5
= 20