She can travel <span>665.4375 miles in 68.25 min.</span>
        
             
        
        
        
Answer:
use own words 
Step-by-step explanation:
An expression is just a mathematical phrase. In this tutorial, you'll learn about two popular types of expressions: numerical and algebraic expressions. A numerical expression contains numbers and operations. An algebraic expression is almost exactly the same except it also contains variables.
in mathematics, an algebraic expression is an expression built up from integer constants, variables, and the algebraic operations (addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number)
 
        
             
        
        
        
Answer:
449pounds 
Step-by-step explanation:
29x15months=435
435+15=449 pounds 
P.S. That was one BIG dog. 
 
        
             
        
        
        
Answer:
Mean temperature for the first 8 days was  
Step-by-step explanation:
Mean = 

Best Regards!
 
        
                    
             
        
        
        
1 tenth if you are talking about the decimal