PEMDAS. parenthesis, exponents, multiple or divide (whichever come first from left to right), add or subtract (whichever comes first from left to right)
So first do stuff in parenthesis.
Then do divide because thats next on the list and it happens earlier than the multiply one.
So, A
        
             
        
        
        
Answer:
$1.45-$0.25=x
x=$1.20
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
 I can't see good the picture
 
        
             
        
        
        
180 is the degree of the whole angle so you subtract 180 from 77 to get P
180-77=103
P=103