75. As she is going up, 15 stairs have been passed by the escalator moving. When she goes down same thing
        
             
        
        
        
Answer:
12=obtuse
13=right
14=not a triangle
16=acute
Step-by-step explanation:
 
        
             
        
        
        
Answer:
(D) he should have found that there are no solutions because the statement is false
 
        
                    
             
        
        
        
138.72 - 45.23 - 18
These are the check costs that subtracted from her bank account
75.49 is what you get
A deposit is when you add money to your account, so, you add 75.85
75.49 + 75.85 = $151.34
        
                    
             
        
        
        
The formula for finding time is the distance divided by the velocity.So the answer is 100÷30=3.3333...