Answer:
<em><u>1</u></em><em><u>.</u></em><em><u> </u></em><em><u>A cross section is the new face you see when you slice through a three-dimensional figure. For example, if you slice a rectangular pyramid parallel to the base, you get a smaller rectangle as the cross section.</u></em>
 
        
             
        
        
        
Answer:
-4.3375796178343949044585987261146
Step-by-step explanation:
you can probably round it off but that is what my calculator gave me.
 
        
             
        
        
        
180a^3+900a^3+4a-5
__________________   + a-1/ 6a^a
          6a ( a+ 5)
        
             
        
        
        
Answer: It’s the second one! 
Explanation: The dot is open and pointing to the side of the numbers greater than -3. It has to be an open dot because it is “greater than -3” not “greater than or equal to-3”! :)
        
             
        
        
        
Answer:
i guess its 1...
Step-by-step explanation: