Answer: a + d = 180 degrees is false
 
        
             
        
        
        
Answer:
the answers are -243 and 729
Step-by-step explanation:
you multiply each by -3. 1x-3 gives you -3. -3x-3 gives you 9. -3x9 gives you -27. -27x-3 gives you 81. 81x-3 gives you -243 and -243x-3 gives you 729. i hope this helps.
 
        
             
        
        
        
Answer:
A
Step-by-step explanation:
 8.5 x 8.5= 72.25 
so basically it's the closest answer