Here is the set up:
Let m = mass of the block
m = (30•40•50)/(2.8)
Use your calculator to calculate the left side for m. 
 
        
             
        
        
        
Answer:
A = (2x+1)(3x+4)
Step-by-step explanation:
Area is length × height
 
        
             
        
        
        
Answer:
= 12 miles per hour
Step-by-step explanation:
thats the answer i promise plus im in 6th grade
 
        
             
        
        
        
-43/204
Step-by-step explanation:
−5/12 × 17/17 + 7/34 × 6/6 =
= −85/204 + 42/204
= −85 + 42/204
= −43/204
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
PL^2 =7^2 +3^2 
PL^2=49+9
PL=
