Answer:
50.4 km (Answer B)
Step-by-step explanation:
From this information, we are able to create a proportion, 2cm/21km= 4.8cm/x km (x representing the actual distance). After cross-multiplying and simplifying, you get an answer of 50.4km. Hope this helps!
 
        
                    
             
        
        
        
The answer is less than or equal to -4. Because -4+8=4
        
             
        
        
        
11x+11y
11(x+y)
Explanation
Step 1
Let
Carlos earns == 11 per hour
x represents the number of hours he worked in May
the, 
the amount he earned in Mayis

y represent the number of hours he worked in June.
the amount he earned in June was

Step 2
the amount of money he earned is May and June is the sum of the values

I hope this helps you
 
        
             
        
        
        
Answer:
A) 33
Step-by-step explanation:
180 - 105= 75
75 + 72 + x = 180
147 + x = 180
x= 33
 
        
             
        
        
        
30=1/2 inch
60=1/2x2=1 inch
90=1/2x3=1 1/2
shortest side is 1/2 inch, medium side is 1 inch, longest is 1 1/2