The square root of 255+266 is 241. I can't help you with shortcuts as I'm bad at explaining, but I'm sure there are websites that can help you.
        
                    
             
        
        
        
Answer 6 hours
Reason
7x + 9.50 = 55
 -9.50. -9.50 subtract from both sides
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7x = 45.50
Divide both sides by 7 to isolate x
X = 6.5
So he can rent for 6 hours (the .5 would be charged as a full hour per the problem)
        
             
        
        
        
Answer:
p ≥ 53
Step-by-step explanation:
 
        
             
        
        
        
Answer:

Step-by-step explanation: 3p -3 =8p + 5                                                              3 +5 =8p -3p                                                                                                                                    8=5p                                                                                                                                   
 
        
                    
             
        
        
        
Answer:
Word problems with linear equations (that is, with straight-line models) almost always work this way: the slope is the rate of change, and the y-intercept is the starting value.
Step-by-step explanation: