Answer:
part A:d=5.4-3.1
Part B:t=4.9+3.1
Part C:If ted walks 5.4 kilometers,then david walks 2.3 kilometers,If david walks 4.9 kilometers,then ted walks 8 kilometers.
 
        
             
        
        
        
11111111111111117373646328299292922
        
             
        
        
        
a) 95
b) 25 : 1
 
a) <u>1</u><u> </u> X 760
 8
 = 95
b) 450 : 18
 255 : 9
 25 : 1
 
        
                    
             
        
        
        
Answer: if it's 18 times 29 then it's 522. If it's 18 to the power of 29 it's 2.52873108 times 10^36 (decimal form)
Step-by-step explanation: