Answer:
864
Step-by-step explanation:
AT= 2Area base+ph
AT= 2(12*12) +(12*4)12
AT=2 (144)+576
AT= 288+576
AT=864"
 
        
             
        
        
        
(-3y^2 − 8) − (-5y^2<span> + 1)
= </span>-3y^2 − 8 + 5y^2<span> - 1
= 2</span>y^2 <span>- 9
answer is
</span>2y^2 - 9<span>
</span>
        
                    
             
        
        
        
Answer: ±1,±1/2,±7,±7/2
Step-by-step explanation:
Hope this helps!
 
        
             
        
        
        
Answer:
-8 and 2
Step-by-step explanation: