Answer:
¿que estas preguntando?
Step-by-step explanation:
 
        
             
        
        
        
0.7 = 7/10
One digit after the decimal point is the tens place
0.7 also equals 70/100, which can be simplified to 7/10, but 7/10 cannot be simplified
        
             
        
        
        
Answer:
- 
Step-by-step explanation:
cos90° - 2sin45° + 2tan180°
= 0 - ( 2 ×  ) + 2(0)
 ) + 2(0)
= 0 -  + 0
 + 0
= - 
 
        
             
        
        
        
It can be a yes because the line cross and make a perpendicular
 
        
             
        
        
        
 One is colder than the other. 
     Hope this helps :)