Answer:
b
Step-by-step explanation:
 
        
                    
             
        
        
        
They forget to say "not to scale".  I'm guessing this is trig because I don't see another way to do it.
Let's consider x=chord PQ first.  By the Law of Cosines 

We have an isosceles triangle formed by two radii of 9 cm and x=PQ.  By the Law of Cosines again,





The area of the circle is the fraction given by the angle,



Answer: 24.7 sq cm
 
        
             
        
        
        
Answer:
8 * 6 * 2 = 96
Step-by-step explanation:
It's a multiplication problem. 8 * 6 = 48 * 2 = 96
The rectangular prism is 96m.
 
        
             
        
        
        
Answer:
First from 18, you count to 23. So, 19, 20, 21, 22, 23. There were only 5 more pounds needed, so it would be, 1 full package of 18 pounds and 1 quarter of a package (I think), because it is not a full package, another full package of 18 would be 36 pounds. I hope this helped! [It might not]
 
        
             
        
        
        
Answer:
Step-by-step explanation:
e