Answer:
Bottom right
First you multiply the bottom (2.5 x 1.5) to get 3.75. Then multiply 3.75 by 2 to got 7.5.
Whole equation: (2.5 x 1.5) x 2.0 = 7.5
 
        
             
        
        
        
Multiplication not to sure hope this helps :)
        
             
        
        
        
Answer:
-243
Step-by-step explanation:

 
        
             
        
        
        
Answer:
343 can be written as 

Step-by-step explanation:
since we know, 
343 = 7 × 7 × 7 
so, we can write 343 as cube of 7 
hence, 

 
        
             
        
        
        
Answer:
 10° and 80°
Step-by-step explanation:
All triangles have internal angles that always add up to 180°.